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Emerson EZR Series Pressure Reducing Regulator Instruction Manual

1. CL250 RF GE10822X012 CL150 RF GE10835X012 14B5836X032 41100 CL300 RF GE10839X012 14B5836X042 WCC Steel CL600 RF GE10842X012 14B5836X052 SCH 40 BWE GE10843X012 14B5836X092 SCH 80 BWE GE10844X012 CL150 RF GE11772X012 CL300 RF GE16359X012 i 2 WCC Steel CL600 RF GE17626X012 SCH 40 BWE GE16448X012 SCH 80 BWE GE16561X012 CL150 RF GE17629X012 CL300 RF GE17630X012 4 WCC Steel CL600 RF GE17631X012 SCH 40 BWE GE17627X012 SCH 80 BWE GE17628X012 CL125 FF GE11444X012 Cast iron CL250 RF GE11445X012 CL150 RF GE11447X012 24B5837X032 6 150 CL300 RF GE11449X012 24B5837X042 WCC Steel CL600 RF GE11451X012 24B5837X052 SCH 40 BWE GE11452X012 24B5837X072 SCH 80 BWE GE11453X012 continued Type EZR Table 14 Type EZR Main Valve Body Part Numbers key 1 Figure 14 continued BODY SIZE END CONNECTION BODY MATERIAL Standard NPS DN STYLE Included Tapped Inlet Tapped Inlet and Tapped Outlet CL150 RF GE19084X012 CL300 RF GE19089X012 x 200 x 150 WCC Steel CL600 RF GE19090X012 SCH 40 BWE GE19091X012 SCH 80 BWE GE19092X002 Jo CL150 RF GE19095X012 CL300 RF GE19096X012 x 300 x 150 WCC Steel CL600 RF GE19097X012 SCH 40 BWE GE19093X012 SCH 80 BWE GE19094X012 CL150 RF FA144718X12 CL300 RF FA144717X12 81200 LCC Steel CL600 RF FA144716X12 SCH 40 BWE 49B5961X022 Key De
2. Type EZR Table 15 161EB Series Pilot Part Numbers keys 7 8 9 10 and 11 Figure 19 OUTLET CONTROL PRESSURE RANGE AND SPRING COLOR CODE 3 Type 161EB or 161EBM Type 161EB NAME 540 15 10to40 psig 30to 75 psig 70 to 140 psig 130 to 200 psig 200to 350 psig 30 to 300 psig 0 34 to 1 0 bar 0 69 to 2 8 bar 2 1 to 5 2 bar 4 8 to 9 7 bar 9 0 to 13 8 bar 13 8to 24 1 bar 2 1 to 20 7 bar White Yellow Black Green Blue Red Green SE 17 9055 022 9 17890550220 1789055 022 17 9055 0220 17B9055X022 1789055x0329 17B9055X0320 7 Diaphragm Assembly 789055 0620 1789055x062 1789055 062 1789055 062 1789055x062 17B9055X052 17890550520 Fluorocarbon FKM 8 Spring Seat 17B0515X012 17B0515X012 17B0515X012 17B0515X012 17B0515X012 17B0515X012 19B9059X012 9 Spring 17B1260X012 17B1262X012 17B1259X012 17B1261X012 17B1263X012 17B1264X012 15A9258X012 10 Diaphragm Limiter sesaka _ ___ meme nn 10B4407X012 10B4407X012 11 Adjusting Screw 10B3081X012 10B3081X012 10B3081X012 10B3081X012 10B3081X012 10B3080X012 17B1227X012 1 Standard assembly for stainless steel construction 1 32 inch 0 8 mm thick diaphragm and 1 3 4 inch 45 mm diaphragm plate diameter 2 Standard assembly for stainless steel construction 1 32 inch 0 8 mm thick diaphragm and 1 1 2 inch 38 mm diaphragm plate diameter 3 Should only
3. 18 28 and 70 NPS 1 DN 25 17E68 Nitrile NBR 19B2412X022 17E97 Nitrile NBR REZRX000S12 17E88 Fluorocarbon FKM 19B2412X072 NPS 2 1 DN 50 x 25 17E68 Nitrile NBR 19B2412X062 17E97 Nitrile NBR 2 000592 17 88 Fluorocarbon FKM 19B2412X052 23 Type EZR Table 14 Type EZR Main Valve Body Part Numbers key 1 Figure 14 24 BODY SIZE BODY END CONNECTION aa NPS DN MATERIAL STYLE tonne Inlet Tapped Inlet and Tapped Outlet NPT GE11581X012 SWE GEM440X012 CL150 RF GE11583X012 14B5623X032 1 25 WCC Steel CL300 RF GE11607X012 14B5623X042 CL600 RF GE11608X012 14B5623X052 SCH 40 BWE GE11610X012 14B5623X122 SCH 80 BWE GE11611X012 WCC Steel NPT GE11582x012 NPT GE10583X012 Cast iron CL125 FF GE10585X012 14B5834X012 CL250 RF GE10587X012 14B5834X022 NPT GE10588X012 2 1 2 SWE GE10682X0012 50 25 50 CL150 RF GE10676X012 14B5834X032 WCC Steel CL300 RF GE10678X012 14B5834X042 CL600 RF GE10679X012 14B5834X052 SCH 40 BWE GE10680X012 14B5834X072 SCH 80 BWE GE10681X012 CL125 FF GE10689X012 CL250 RF GE10698X012 CL150 RF GE10699X012 14B5835X032 3 80 CL300 RF GE10700X012 14B5835X042 WCC Steel CL600 RF GE10701X012 14B5835X052 SCH 40 BWE GE10702X012 14B5835X102 SCH 80 BWE GE10703X012 T CL125 FF GE10707X012
4. 4 Nut SA194 2 required 1C330624072 29 Pipe Nipple Plated Steel NPS 1 and 1 1 4 x 1 DN 25 and 32 x 25 bodies NPS 2 x 1 and 2 DN 50 x 25 and 50 bodies NPS 3 DN 80 body NPS 4 DN 100 body NPS 6 8x 6 and 12x 6 DN 150 200 x 150 and 300 x 150 bodies 38 Pipe Nipple Plated Steel 45 Bushing Plated Steel 46 Washer a i i a an 47 Nuti is 48 U Bolt 49 Mounting Bracket NPS 1 and 1 1 4 x 1 DN 25 and 32 x 25 bodies NPS 2x 1 and 2 DN 50 x 25 and 50 bodies NPS 3 DN 80 body NPS 4 DN 100 body NPS 6 8x 6 and 12x 6 DN 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 73 Stud Zinc plated steel 2 reguired PRX Series Mounting Parts Figure 23 13 Pipe Nipple 21 External Elbow 61 Tubing Connection 2 reguired NPS 6 8x6 12x 6 and 8 DN 150 200 x 150 300 x 150 and 200 bodies 62 Tubing NPS 6 8 x 6 12 x 6 and 8 DN 150 200 x 150 300 x 150 and 200 bodies 63 Nipple Pipe Hex NPS 1 1 1 4 2x 1 2 3 4 6 4 and 8 x 4 DN 25 32 50 x 25 50 80 100 150 x 100 and 200 x 100 bodies 64 Nipple NPS 6 8x6 12x 6 8 DN 150 200 x 150 300 x 150 200 bodies 65 Coupling NPS 6 8x6 12x 6 8 DN 150 200 x 150 300 x 150 200 bodies 66 Bushing NPS 6 8x6 12x 6 8 DN 150 200 x 150 300 x 150 200 bodies 67 Nipple Pipe NPT All sizes 68 Elbow FNPT Pipe All sizes 69 Adaptor NPS 4 DN 100 body only Pounds to Pounds 161EB Series Pilots Monitor System Mounting Parts Figure 24 29
5. NPS 8x6 and 12x 6 DN 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body Quick Disconnect Union Configuration 29 Pipe Nipple Plated steel NPS 1 DN 25 body NPS 2 DN 50 body NPS 3 DN 80 body NPS 4 and 6 DN 100 and 150 bodies NPS6x4 8x4 8x6 and 12x 6 DN 150 x 100 200 x 100 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 80 Union 81 Nipple Type 112 Restrictor Figure 22 14 Pipe Plug 316 Stainless steel 1A767535072 21 Body CB7Cu 2 Stainless steel 20B4429X012 22 Groove Valve 416 Stainless steel 20B4403X012 23 Retainer 416 Stainless steel 10B4402X012 24 Groove Valve O ring 2 required Fluorocarbon FKM 1C8538X0052 161AY Series Mounting Parts Figure 23 For Regulator Pilot 4 Nut SA194 2 required 29 Pipe Nipple Plated Steel NPS 1 and 1 1 4 x 1 DN 25 and 32 x 25 bodies NPS 2x 1 and 2 DN 50 x 25 and 50 bodies NPS 3 DN 80 body NPS 4 DN 100 body NPS 6 8 12 6 DN 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 45 Bushing Plated Steel 1C330624072 46 Washer pea 47 Nut 22 48 U Bolt JC nm 49 Mounting Bracket NPS 1 and 1 1 4 x 1 DN 25 and 32 x 25 bodies NPS 2 x 1 and 2 DN 50 x 25 and 50 bodies NPS 3 DN 80 body NPS 4 DN 100 body NPS 6 8x 6 and 12x 6 DN 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 73 Stud Zinc plated steel 2 reguired Recommended Spare Part 36 For Working Monitor Set Key Description Part Number
6. UTE HAND VALVE CONTROL LINE ALTERNATE CONTROL LINE TYPE PRX WIDE OPEN MONITORING SYSTEM INSTALLATION UPSTREAM OR DOWNSTREAM E viil VALVE IN INLET gt SUPPLY PRESSURE LINE TYPE PRX 120 WORKING PILOT 1 PLUGGED s MONITOR REGULATOR TYPE PRX 125 MONITOR PILOT WORKING REGULATOR d BLOCK VALVE SUPPLY PRESSURE LINE CONTROL LINE ALTERNATE CONTROL LINE TYPE PRX WORKING MONITOR SYSTEM INSTALLATION Figure 4 Typical Type EZR Monitoring System Installation Schematics Type EZR TYPE PRX 120 WORKING INLET M1001 INLET PRESSURE M OUTLET PRESSURE LJ ATMOSPHERIC PRESSURE LOADING PRESSURE OI INTERMEDIATE PRESSURE TYPE PRX S SUPPLY PORT B BLEED PORT L LOADING PORT A SENSING PORT TYPE PRX 125 MONITOR PILOT PILOT NO RESTRICTOR SCREW TYPE PRX 120 J LANM OUTLET Figure 5 Type EZR PRX PRX Working Monitor Schematic Type PRX 125 pilot Connect the A port located on the underside of the pilot of the upstream Type PRX 120 pilot to the intermediate pressure between the first and second Type EZR regulators as shown in Figure 5 The L port of the upstream Type PRX 125 pilot is plugged Connect the B port of upstream Type PRX 125 pilot to the intermediate pressure between the first and second Type EZR regulators Connect the A port of up
7. assembly must be open before these steps can be performed 1 Remove the cap screws key 2 and separate the diaphragm casing key 4 from the body key 1 2 Remove body seal O ring key 11 and the back up ring key 50 Inspect the body seal O ring and replace if necessary 3 Inspect and replace the orifice key 5 if necessary Lubricate the threads of the replacement orifice with a good grade of light grease and install with 29 to 37 foot pounds 39 to 50 of torque 4 Remove the cotter pin key 15 if it is necessary to replace the disk assembly key 13 or the throat seal O ring key 31 of a Type 161AYM 5 For a Type 161AYM inspect the throat seal O ring key 31 and remove the machine screw key 33 Replace O ring if necessary 6 Install the disk assembly key 13 and secure it with the cotter pin key 15 7 Place back up ring key 50 into the body key 1 then place the body seal O ring key 11 into the body 8 Place the diaphragm casing key 4 on the body key 1 Secure the diaphragm casing to the body with the cap screws key 2 Diaphragm and Spring Case Area Use this procedure to change the control spring and to inspect clean or replace parts in the spring case and diaphragm assembly To Change the Control Spring 1 Remove the closing cap key 22 and turn the adjusting screw key 35 counterclockwise until all compression is removed from the control spring key 6 2 Change t
8. i amp amp 9 9 2 22 55555 A 4 Ze SS NK A G G 9 C 9 Vo L S ARS ee __ 2 SJ TU TUTTIRA 5 SS L A Wy i NS XN AN VA KS OOO E SS amp O0 C L APPLY LUBRICANT L PARTS NOT SHOWN 63 MAIN VALVE ASSEMBLY FOR NPS 8 DN 200 BODY Figure 14 Type EZR Main Valve continued Type EZR Figure 16 Type EZR Restricted Trim Figure 17 Type EZR Cage O ring Placement 7 N 4 pes a MENO wn gt V 3 y Ng ES lt lt wy 2 2 N 4 Ale KS 752 NG N 27 N 6 NPS 1 1 1 4 x 1 2 x 1 2 3 AND 4 NPS 6x4 8x4 6 8x6 12x 6 DN 25 32 x 25 50 x 25 50 80 AND 100 BODY SIZES DN 150 x 100 200 x 100 150 200 x 150 300 x 150 BODY SIZES Figure 18 Type EZR Travel Indicator Plug Option 31 E Ee See a DAWAN UE oe zN 10 gt 18 N gt 7 4 15 1 6 3 37B1199 37B1193 APPLY LUBRICANT L TYPE 161EB PILOT TYPE 161EBM PILOT SENSE CONTROL PORT SENSE EXHAUST PORT 31B5012 A TYPE 161EBM PILOT Figure 19 161EB Series Pilots 32
9. 1 DN 25 and 32 x 25 bodies 39B2403X022 ids dd FKM 2 NPS 2 x 1 and 2 DN 50 x 25 and 50 bodies 38B2122X022 NPS 4 6 x 4 and 8 x 4 DN 100 150 x 100 NPS 3 DN 80 body 38B5963X022 and 200 x 100 bodies NPS 4 6 x 4 and 8 x 4 DN 100 150 x 100 Nitrile NBR 10A8931X012 and 200 x 100 bodies 38B2133X022 Fluorocarbon FKM 10A8931X052 NES 6 8 x brand 12 200 x190 NPS 6 8 x 6 and 12 x 6 DN 150 200 x 150 and 300 x 150 bodies 49B0355X022 and 300 x 150 bodies NPS 8 DN 200 body GE18697X022 Nitrile NBR 10A3800X012 3 Cap Screw NPS 1 and 1 1 4 x 1 DN 25 and 32 x 25 a 13260038 bodies 4 required 1R281124052 Nitrile NBR y 10A3800X012 NPS 2 1 or 2 DN 50 x 25 50 body 8 required 14453324052 Fluorocarbon FKM 1R727606382 NPS 3 DN 80 body 8 required 1A454124052 7 Cage NPS 4 6x 4and 8 x 4 DN 100 150 x 100 and 200 x 100 bodies 8 required 14440224052 p 2 4 520 25 NPS 6 8 x 6 and 12 x 6 DN 150 200 x 150 NPS 2 DN 50 bod 37B9748X012 and 300 x 150 bodies 12 required 1U513124052 y Recommended Spare Part 25 Type EZR Key Description 7 Cage continued NPS 3 DN 80 body NPS 4 DN 100 body NPS 6 x 4 DN 150 x 100 body NPS 8 x 4 DN 200 x 100 body NPS 6 8x 6 and 12 x 6 DN 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 8 Cage O ring not required for NPS 2 x 1 or8x6 DN 50 x 25 or 200 x 150 bodies NPS 1 DN 25 body Nitrile NBR Fluorocarbon FKM NPS 2 DN 50 body N
10. 30 31 49 50 56 30B4383 STANDARD PILOT MOUNTING Figure 21 161EB Series Mounting Parts Description Guide Insert Hex Nut Closing Cap Plastic standard Steel Hex Nut 8 required Cap Screw 8 required Closing Cap Gasket Vent Assembly Spring Case Down Type Y602 1 Spring Case Up Type Y602 11 Spring Case Sideways Type Y602 12 Pipe Plug Type 161AY only Stem Seal O ring Nitrile NBR Fluorocarbon FKM Throat Seal Nitrile NBR Fluorocarbon FKM Machine Screw Type 161AYM only Adjusting Screw Spring Holder Machine Screw Overpressure Spring Pusher Post Connector Nameplate Drive Screw Post Seal Nitrile NBR Fluorocarbon FKM Connector Seal Nitrile NBR Fluorocarbon FKM Back up Ring Restriction Baffle Plate Part Number 27B4028X022 14354024122 71352470062 1 422724092 14352724122 14352524052 1 753306992 Y602X1 A1 Type Y602X1 A11 Type Y602X1 A12 14369224492 19292660012 1H2926X0022 1D682506992 1D6825X0012 18A0703X022 1B537944012 1R982025072 10B6189X022 1B541327022 27B7982X012 14368228982 10687506992 13430406382 13A1584X012 13A1584X022 18B3446X012 1D483514012 11B4292X012 35 Type EZR 161EB Series Mounting Parts Figure 21 Standard Configuration Key Description Part Number 29 Pipe Nipple Plated steel NPS 1 DN 25 body NPS 2 DN 50 body NPS 3 DN 80 body NPS 4 DN 100 body NPS 6 6x4 and 8x4 DN 150 150 x 100 and 200 x 100 bodies
11. 32 x 25 50 x 25 and 50 bodies NPS 3 4 6 x 4 and 8x 4 DN 80 100 150 x 100 and 200 x 100 bodies NPS 6 8x 6 12x 6 DN 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body Part Number 1H2926X0032 1H2926X0022 1D191706992 1N423906382 1E472706992 1N430406382 28B2128X012 28B5969X012 39B0358X012 30C1356X012 27 Type EZR Key Description 19 Indicator Plug NPS 1 1 1 4 x 1 and 2x 1 DN 25 32x 25 and 50 x 25 bodies NPS 2 DN 50 body NPS 3 4 6 x 4 and 8x 4 DN 80 100 150 x 100 and 200 x 100 bodies NPS 6 8 8 x 6 and 12 x 6 DN 150 200 200 x 150 and 300 x 150 bodies 20 Indicator Washer NPS 1 1 1 4 x 1 2 x 1 and 2 DN 25 32 x 25 50 x 25 and 50 bodies NPS 3 4 6 4 8x 4 6 8 x 6 and 12x 6 DN 80 100 150 x 100 200 x 100 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 21 Indicator Cover NPS 1 1 1 4 x 1 2x 1 and 2 DN 25 32 x 25 50 x 25 and 50 bodies NPS 3 4 6 x 4 and 8x 4 DN 80 100 150 x 100 and 200 x 100 bodies NPS 6 8 8x 6 and 12 x 6 DN 150 200 200 x 150 and 300 x 150 bodies 22 Indicator Protector NPS 1 1 1 4 x 1 2 x 1 and 2 DN 25 32 x 25 50 x 25 and 50 bodies NPS 3 4 6 x 4 8 x 4 6 8 8x 6 and 12x 6 DN 80 100 150 x 100 200 x 100 150 200 200 x 150 and 300 x 150 bodies 23 Inlet Strainer NPS 1 and 1 1 4 x 1 DN 25 and 32 x 25 bodies NPS 2 x 1 and 2 DN 50 x 25 and 50 bodies NPS 3 DN 80 body NPS 4 DN 100 body NPS 6 DN 150 body NPS 8 DN 200 body 2
12. 48B5961X012 48B2135X012 29B1881X012 29B1883X012 49B0353X012 59B5955X012 14A5713X012 13A2351X012 10B4428X012 10B4428X022 10B4366X012 10B4366X022 10B4373X012 10B4373X022 1H862306992 1H8623X0022 1V9229X0042 1V9229X0022 GE11960X012 39B2397X022 30C1009X012 29B1909X012 28B2123X052 29B2715X012 38B9886X012 39B2726X012 38B8512X022 38B8509X012 39B3996X012 39B1154X012 49B0357X012 40C1035X012 40C1888X012 1E216306992 1L949306382 1E216306992 11949306382 1J4888X0052 1J4888X0032 11A8741X052 11A8741X012 Key Description 10 O ring continued NPS 8 DN 200 body Nitrile NBR Fluorocarbon FKM 11 Bottom Plug NPS 1 1 1 4 x 1 and 2x 1 DN 25 32x 25 and 50 x 25 bodies NPS 2 DN 50 body NPS 3 DN 80 body NPS 4 6 x 4 and 8 x 4 DN 100 150 x 100 and 200 x 100 bodies NPS 6 8 x 6 and 12x 6 DN 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 12 Main Spring NPS 1 1 1 4 x 1 and 2x 1 DN 25 32x 25 and 50 x 25 bodies White Black Red Stripe NPS 2 x 1 DN 50 x 25 body only Light Blue Black with White Stripe NPS 2 DN 50 body Yellow Green Red for use with travel indicator Purple for use with non travel indicator NPS 3 DN 80 body Yellow Light Blue Black NPS 4 6 x 4 and 8 x 4 DN 100 150 x 100 and 200 x 100 bodies Yellow Green Red NPS 6 8 x 6 and 12x 6 DN 150 200 x 150 and 300 x 150 bodies Yellow Green Red NPS 8 DN 200 body Yellow Green Red 13 Flanged Lockn
13. 9 100 6 9 Yellow High aromatic hydrocarbon 500 34 5 500 34 59 750 51 7 Green content resistance 750 51 7 500 34 56 750 51 7 Red or Purple 17E68 Nitrile NBR 100 6 9 100 6 9 100 6 9 Yellow Low temperature 360 24 8 300 20 7 500 34 5 Light Blue 17E97 Nitrile NBR 500 34 5 500 34 5 1050 72 4 Light Blue High pressure and or 3 80 erosion resistance 1050 724 800 55 2 1050 724 Black 17E88 Fluorocarbon FKM 100 6 9 100 6 9 100 6 9 Yellow High aromatic hydrocarbon 500 34 5 500 34 59 750 51 7 Light Blue content resistance 750 51 7 500 34 50 750 51 7 Black 17E68 Nitrile NBR 100 6 9 100 6 9 100 6 9 Yellow Low temperature 360 24 8 300 20 7 500 34 5 Green 4 6x4 17E97 Nitrile NBR 100 6 9 100 6 9 100 6 9 Yellow and 8x4 High pressure and or 500 34 5 500 34 5 1050 72 4 Green 100 150 x 100 erosion resistance 1050 724 800 55 2 1050 724 Red and 200 x 100 17E88 Fluorocarbon FKM 100 6 9 100 6 9 100 6 9 Yellow High aromatic hydrocarbon 500 34 5 500 34 59 750 51 7 Green content resistance 750 51 7 500 34 50 750 51 7 Red 6 8x6 High pressure and or 500 34 5 500 34 5 1050 724 Green and 12 x 6 erosion resistance 1050 724 800 55 2 1050 724 Red s 17288 Fluorocarbon FKM 100 6 9 100 6 9 100 6 9 Yellow an High aromatic hydrocarbon 500 34 5 500 34 59 750 51 7 Green content resistance 750 51 7 500 34 59 750 51 7 Red 17E97 Nitrile NBR 100 6 9 100 6 9 100 6 9 Yellow 8 200 High pressure and or 500 34 5 500 34 5 1050 72 4 Green erosion resist
14. CL250 RF 500 psig 34 5 bar SWE NPS 1 2 x 1 and 2 3 2x123 A DN 25 50 x 25 and 50 only 6x4 8 x 49 6 8 x 6 and 12 x 69 1500 psig 103 bar 25 32 x 25 50 x 25 50 80 WCC Steel CL150 RF 290 psig 20 0 bar 100 150 x 100 200 x 100 150 CL300 RF 750 psig 51 7 bar 200 x 150 and 300 x 150 CL600 RF or BWE 1500 psig 103 bar CL150 RF 290 psig 20 0 bar 8 200 LCC Steel CL300 RF 750 psig 51 7 bar CL600 RF 1500 psig 103 bar 1 Ratings and end connections for other than ASME standard can usually be provided Contact your local Sales Office for assistance 2 See Tables 3 8 10 and 11 for diaphragm materials and additional pressure ratings 3 Available in steel NPT only 4 NPS 6 x 4 8 x 4 8x 6 12x 6 DN 150 x 100 200 x 100 200 x 150 300 x 150 Types EZR and 399 bodies not the same as the EW valve bodies and are not interchangeable Table 2 Outlet Control Pressure Ranges Proportional Bands and Pilot Control Spring Information PILOT CONTROL SPRING INFORMATION RE PROPORTIONAL BAND TYPE Wire Diameter Free Length Part Numbers Color Code psig bar psig bar Inch mm Inch mm 6 to 15 inches w c 15 to 37 1 inch w c 3 mbar 1B653927022 Olive drab 0 105 2 67 3 75 95 2 161AY or 0 5 to 1 2 34 to 83 1 inch w c 3 mbar 1B537027052 Yellow 0 114 2 90 4 31 109 161AYM
15. MS Ta EN t 919191919 amp 9 o TYPE 161AY TYPE 161AYM Figure 20 Types 161AY and 161AYM Pilots 34B7733A OPTIONAL QUICK DISCONNECT UNION PILOT MOUNTING Type 161AY or 161AYM Pilot Figure 20 Key AUN SI 1 12 13 Description Parts Kit included are keys 10 11 12 13 15 25 30 31 33 45 48 and 49 Body Cast iron Cap Screw 2 reguired Spring Case Assembly Ductile iron Lower Casing Ductile iron Type 161AY Type 161AYM Orifice 303 Stainless steel 3 32 inch 2 4 mm 1 4 inch 6 4 mm 1 8 inch 3 2 mm Control Spring 6 to 15 inches w c 15 to 37 mbar 0 5 to 1 2 psig 34 to 83 mbar 1 2 to 2 5 psig 83 mbar to 0 17 bar 2 5 to 4 5 psig 0 17 to 0 31 bar 4 5 to 7 psig 0 31 to 0 48 bar Diaphragm Head Pusher Post Diaphragm Nitrile NBR Fluorocarbon FKM Body Seal Nitrile NBR Fluorocarbon FKM Insert Seal Nitrile NBR Fluorocarbon FKM Disk Assembly Nitrile NBR Fluorocarbon FKM Stem Cotter Pin Lever Assembly Machine Screws 2 required Part Number RY690AX0012 1E987119012 1C856228992 13B0109X042 17B5352X012 47B3063X012 0R044135032 0B042035032 14936735032 18653927022 18537027052 18537127022 18537227022 18537327052 17B9723X032 27B5354X012 37B9720X012 23B0101X052 1H993806992 1H9938X0012 1B885506992 1B8855X0012 1C4248X0202 1C4248X0052 17B3423X012 14866537022 1B5375000B2 19A7151X022 2f
16. Mark Imprint Ink Mark 2 17 68 17268 Nitrile NBR low temperature 17E88 Fluorocarbon FKM 4 17E88 high aromatic hydrocarbon 2 130 content resistance 17E97 Nitrile NBR 5 17E97 high pressure and or erosion resistance DN 50 x 25 sizes use a screwdriver to remove the upper adaptor key 131 4 Pull out the cage key 7 O ring key 8 and inlet strainer or strainer shim key 23 if no strainer For NPS 2 x 1 DN 50 x 25 sizes remove the lower adaptor key 132 5 Clean parts and replace if necessary To change the O ring key 121 on a 6 inch 152 mm cage with attached restrictor plate key 71 remove cap screws key 126 Assembly 1 Install the inlet strainer or shim key 23 into the body key 1 Type EZR Table 12 Troubleshooting Guide PROBLEM Outlet pressure suddenly rises above POSSIBLE SOLUTION If travel indicator is in UP position check restrictor and pilot supply filter for plugging setpoint and approaches inlet pressure If travel indicator is in DOWN position check main valve for debris or diaphragm damage Outlet pressure normal at low flow but falls below setpoint at high flow Outlet pressure cycles Check main valve inlet strainer for plugging Check inlet pressure at high flow condition Check sizing calculations to be sure main valve body is large enough for load Check for undersized or restricted control line use the minimum size given in
17. Proportional band and Accuracy Class include outlet pressure drop plus hysteresis friction but do not include lockup 2 Proportional band was determined with a pressure drop ranging from 50 to 150 psig 3 5 to 10 3 bar Approximately double the proportional band if the pressure drop is less than 50 psig 3 5 bar 3 With Type 112 restrictor set on 2 With Type PRX restrictor turn the restrictor screw one turn counterclockwise from fully seated 4 Should only be used as the intermediate reduction pilot on the Type EZR worker monitor systems Table 3 Pilot Pressure Ratings TYPE PRESSURE EMERGENCY SENSE PRESSURE PRESSURE FOR MONITOR PILOTS FOR MONITOR PILOTS psig bar psig bar psig bar psig bar psig bar 161AY 150 10 3 150 10 3 150 10 3 161EB 1500 103 1200 82 7 750 51 7 777 7777 161AYM 150 10 3 150 10 3 150 10 3 150 10 3 161EBM 1500 103 1200 82 7 Ue 1500 103 750 51 7 PRX Series 1480 102 1480 102 1480 102 1480 102 1480 102 1 Maximum pressure to prevent the casings from bursting during abnormal operation leaking to atmosphere and internal parts damage may occur Type EZR Table 4 Main Valve Minimum Differential Pressures MINIMUM DIFFERENTIAL PERCENT OF CAGE CAPACITY 2 DIAPHRAGM FOR 90 CAPACITY FOR 100 CAPACITY NPS D
18. Spring 302 Stainless steel 4 Diaphragm Assembly Diaphragm 132 Lower Adaptor NPS 2 x 1 DN 50x 25 body 19B5964X012 with eile Ses dap em plate See Table 15 133 O ring 8 Control Spring Seat Plated steel See Table 15 NPS2 x 1 DN 50 x 25 body only 9 Control Spring Zinc plated steel See Table 15 DER FKM 2 10 Diaphragm Limiter 303 Stainless steel See Table 15 SBIDN on 11 Adjusting Screw Plated steel See Table 15 i body only 1N3330X0032 42 Locknut Zinc plated steel 1D667728982 tud R 13 Machine Screw Plated steel 6 required NPS 8 DN 200 body only 8 required 11A5189X282 Types 161EB and 161EBM 1V4360X0022 137 Lower Spring Seat 14 Pipe Plug NPS 8 DN 200 body only GE09140X012 Type 161EB 1 767535072 143 Lifting Flange 15 Body Plug O ring Nitrile NBR 1F 113906992 NPS 8 DN 200 body only 30C1724X012 16 Closing Cap 144 Yoke Locknut Nylon PA 24B1301X012 NPS 8 DN 200 body only 1E832723062 Metal for pressure loading Types 161EB and 161EBM only 17B1406X012 17 Closing Cap Gasket Pressure loading for metal closing cap Types 161EB and 161EBM only 1C659804022 18 Type Y602 12 Vent Assembly Plastic 27A5516X012 19 Stem Guide Seal Assembly Type 161EBM Stainless steel seal and seal retainer with Nitrile NBR O ring 10B8711X012 Recommended Spare Part 22 O ring 161EBM 10A0904X012 38 Lower Spring Seat 18B1248X012 33 Type EZR 2 4 SS c PY 77 AIT I S
19. be used as the intermediate reduction pilot on the Type EZR worker monitor systems Key Description PartNumber 464EB Series Pilots Figure 19 79 Washer NPS 6 8 x 6 and 12 x 6 DN 150 200 x 150 and 300 x 150 bodies 19B0362X012 Key Description Part Number 121 O ring NPS 2 x 1 DN 50 x 25 body Type 161EB Parts Kit Nitrile NBR Nitrile NBR T12587T0012 included are keys 4 6 7 and 15 Fluorocarbon FKM T12587T0022 5 to 200 psig 0 34 to 13 8 bar R161X000012 NPS 6 8x 6 and 12x 6 DN 150 200 x 150 200 to 350 psig 13 8 to 24 1 bar R161X000022 and 300 x 150 bodies Type 161EBM Parts Kit Nitrile NBR Nitrile NBR 1D269206992 included are keys 4 6 7 15 17 19 and 22 Fluorocarbon FKM 1D2692X0022 5 to 200 psig 0 34 to 13 8 bar R161MX00012 126 Screw 4 required 200 to 350 psig 13 8 to 24 1 bar R161MX00022 NPS 8 x 6 DN 200 x 150 body 2 1 Body Assembly CFBM Stainless steel Types 161EB 1B7971X0252 NPS 12 6 DN 300 x 150 body 19B3650X022 Types 161EBM 30B8715X012 129 Socket Head Screw 2 Spring Case Stainless steel 27B9722X012 For NPS 1 1 1 4 Ted 2 1 0 25 32 25 3 Plug 303 Stainless steel 1B7975X0052 and 50 x 25 only 1D6170X0012 4 Valve Plug 190 Nitrile NBR with stainless steel stem 20B9389X052 For d ja 1 ne We 1and24K1 DN25 32 25 Fluorocarbon FKM with stainless steel stem 2089389 062 131 enh eae NPS 2x1 DN 50x 25 body only 29 5963 012 Plug
20. key 7 and push down on it to see if the valve plug key 4 strokes smoothly and approximately 1 16 inch 1 6 mm 6 Stack the control spring key 9 control spring seat key 8 and diaphragm limiter key 10 if used on the diaphragm assembly key 7 If used make sure the diaphragm limiter is installed beveled side up on 20 W4570 1 Figure 11 161EB Series Pilot Trim Removal Installation Types 161EB and 161EBM pilots with 200 to 350 psig 13 8 to 24 1 bar outlet pressure range Lightly apply lubricant to the control spring seat 7 Install the spring case key 2 on the body key 1 with the vent key 18 properly oriented Make sure the vent is not directly over inlet or outlet piping due to possible icing Install the machine screws key 13 not shown using a crisscross pattern torque them to 5 to 7 foot pounds 6 8 to 9 5 for stainless Steel bodies and 2 to 3 foot pounds 2 7 to 4 1 N m for aluminum bodies Lubricate the adjusting screw threads 8 When maintenance is complete refer to the Startup and Adjustment section to put the regulator back into operation and adjust the pressure setting Tighten the locknut key 12 replace the closing cap gasket key 17 if necessary and install the closing cap key 16 161AY Series Pilots Figure 20 Body Area Use this procedure to gain access to the disk assembly orifice and body O ring All pressure must be released from the diaphragm casing and the disk
21. located in straight pipe several pipeline diameters 8 to 10 of largest piping on outlet downstream of the regulator These guidelines are not mandatory but have been used to improve station stability at low flow in some systems Table 8 Diaphragm Material Selection Information Type EZR Gas Temperature for lower temperatures contact your local Sales Office 17E68 NITRILE NBR 20 to 150 F 29 to 66 C 17897 NITRILE NBR to 150 F 18 to 66 C 17E88 FLUOROCARBON FKM 0 to 260 F 18 to 127 C General Applications Best for cold temperatures Best for high pressure conditions i e transmission service or high pressure industrial service It is also the best for abrasive or erosive service applications Best for natural gas having aromatic hydrocarbons It is also the best for high temperature applications Heavy Particle Erosion Fair Excellent Good Natural Gas With Up to 3 aromatic hydrocarbon content Good 3 to 15 aromatic hydrocarbon content Poor Good Excellent 15 to 5096 aromatic hydrocarbon content Not recommended Poor 0 upto 2 hydrogen Good Good Good sulfide or sour gas Up to 396 ketone Fair Fair Fai air Up to 1096 alcohol Good Good Up to 396 synthetic lube Fair Fair Good 1 The NPS 6 DN 150 17297 diaphragm will perform in gas temperatures as low as 20 F 29 C 2 For differential pressures a
22. of the restrictor if needed to keep the supply source from clogging the restrictor or pilot Inspect and clean this filter regularly to make sure it has not been plugged 7 Install a downstream pressure control line as shown in the appropriate view of Figure 3 to the pilot control line connection Connect the other end of the control line at a minimum of 8 to 10 pipe diameters downstream of the regulator in a straight run of pipe Do not place a control line connection in a turbulent area such as in or directly downstream of a swage or elbow Significant restrictions in the control line can prevent proper pressure registration When using a hand valve it should be a full flow valve such as a full port ball valve With a Type 161EBM or 161AYM pilot run a downstream exhaust bleed line to the downstream bleed line connection in the pilot body assembly 8 Good piping practices usually require swaging up to larger downstream piping to obtain reasonable downstream fluid velocity Wide Open Monitor Installations 1 Follow the procedures in the All Installations section and then continue with step 2 of this section 2 Pilot supply for the downstream monitoring regulator must be obtained between the two regulators as shown in Figure 4 With this arrangement the downstream monitoring regulator diaphragm changes position with every load change For sizing purposes add the minimum differential pressure for each regulator togethe
23. ring and place in the body key 16 Install the orifice 6 Set the pad holder key 22 in the body key 16 7 Lightly lubricate the rims of the diaphragm key 14 10 and place it on top of the pad holder key 22 Set the upper diaphragm plate key 13 on the diaphragm Lightly lubricate the O ring key 18 and place it in the lower cover key 21 Place the washer key 11 and stem nut key 20 on the stem key 23 and tighten If also performing Upper Case Maintenance skip to step 2 of the Upper Case Maintenance section Insert machine screws key 10 in the lower cover key 21 and tighten uniformly to ensure proper seal Upper Case Maintenance 1 2 10 11 Remove pressure from the pilot Loosen locknut key 2 and back out adjusting screw key 1 until compression is removed from the spring key 7 Remove cap key 3 Lift the upper spring seat key 6 spring key 7 and O ring key 4 out of the upper cover key 8 Inspect O ring and replace if necessary Remove machine screws key 10 from lower cover key 21 and the separate lower cover from the body key 16 unless removed during lower diaphragm maintenance Use a wrench to hold stem key 23 securely while removing the upper diahragm nut key 26 Remove remaining loose components washer key 11 upper diaphragm plate key 13 diaphragm key 14 lower diaphragm plate key 15 and O rings keys 18 and 25 Inspect diap
24. 1 1 1 4 x 1 and 2x 1 DN 25 32x 25 and 50 x 25 bodies NPS 2 DN 50 body NPS 3 DN 80 body NPS 4 DN 100 body Part Number 1P5585X0022 1P5585X0032 144452X0612 1A767524662 1A767524662 14369224492 18A2556X022 18A2556X032 10B4428X012 10B4428X022 1V335006562 1V3350X0012 13A1584X052 13A1584X022 13A1584X052 13A1584X022 10A3803X062 10A3803X032 T12050X0012 T12050X0022 T12050X0012 T12050X0022 19B2835X012 19B2836X012 18B2144X012 18B2145X012 28B8516X012 28B8517X012 28B8504X012 28B8505X012 49B0367X012 49B0368X012 49B0369X012 49B0768X012 49B0776X012 49B0775X012 49B0769X012 49B2396X012 49B0777X012 19B2411X012 16A7882X012 18B8518X012 18B8506X012 Type EZR __ PLUG KEY 5 2 __ O RING KEY 14 O RING KEY 70 DIAPHRAGM KEY 9 SU 7 BOTTOM PLUG KEY 11 Z 7 O RING KEY 10 LOCK WASHER KEY 130 gt SOCKET HEAD SCREW KEY 129 1982408 NPS 1 1 1 4 x 1 AND 2 x 1 DN 25 32 x 25 AND 50 25 DIAPHRAGM ASSEMBLY 2 2 965 OO 2 8 8 2 RODA 806000 8 GO 49B5067 MAIN VALVE ASSEMBLY FOR NPS 6 8 x 6 AND 12x 6 NPS 2 x 1 DN 50 x 25 MAIN VALVE ASSEMBLY DN 150 200 x 150 AND 300 x 150 BODY SIZES NPS 8x 6 DN 200 x 150 RESTRICTOR PLATE O RING PLACEMENT Figure 14 Type EZR Main Valve continued 29 Type EZR 4
25. 1 2 to 2 5 83 mbar to 0 17 bar 0 5 34 mbar 1B537127022 Light green 0 156 3 96 4 13 105 2 5 to 4 5 0 17 to 0 31 0 5 34 mbar 1B537227022 Light blue 0 187 4 75 3 94 100 4 5to 7 0 31 to 0 48 0 5 34 mbar 1B537327052 Black 0 218 5 54 4 13 105 5to 15 0 34 to 1 0 0 5 34 mbar 17B1260X012 White 0 120 3 05 3 75 95 2 10 to 40 0 69 to 2 8 0 5 34 mbar 17B1262X012 Yellow 0 148 3 76 3 75 95 2 161EB or 30 to 75 2 1t0 5 2 0 6 41 mbar 17B1259X012 Black 0 187 4 75 4 00 102 161EBM 70 to 140 4 8 to 9 7 1 3 90 mbar 17B1261X012 Green 0 225 5 71 3 70 94 0 130 to 200 9 0 to 13 8 1 5 0 10 17B1263X012 Blue 0 262 6 65 3 85 97 8 200 to 350 13 8 to 24 1 3 0 210 17B1264X012 Red 0 294 7 47 4 22 107 161EB 30 to 300 2 1 to 20 7 6 0 41 15A9258X012 Green 0 243 6 17 1 88 47 7 OUTLET CONTROL PILOT CONTROL SPRING INFORMATION TYPE PRESSURE RANGE ACCURACY CLASS AC Wire Diameter Free Length Part Numbers Color Code psig bar Inch mm Inch mm 14 5 to 26 1 00 to 1 8 2 5 M0255240X12 Yellow 0 110 2 79 23 to 44 1 6 to 3 0 2 5 M0255230X12 Green 0 126 3 20 246 549 41 to 80 2 8 to 5 5 2 5 M0255180X12 Blue 0 138 3 50 7310 123 5 0 to 8 5 2 5 M0255220X12 Black 0 157 3 99 116 to 210 8 0 to 14 5 1 M0255210X12 Silver 0 177 4 50 2 16 54 9 203 to 334 14 0 to 23 0 196 M0255200X12 Gold 0 197 5 00 2 00 50 8 319 to 435 22 0 to 30 0 196 M0255860X12 Aluminum 0 236 5 99 2 00 50 8 PRX 120 AP PRX 125 AP 435 to 1000 30 0 to 69 0 1 M0273790X12 Clear 0 335 8 51 3 93 99 8 1
26. 1 90 to 160 122 to 217 90 to 160 122 to 217 2x10r2 50x250r50 55 to 70 75 to 95 6 to 8 8 1 to 11 90 to 160 122 to 217 90 to 160 122 to 217 10 Lift out travel indicator assembly If replacing travel indicator with travel indicator plug skip to step 9 Compress the main spring key 12 Remove the second hex nut key 4 Parts will separate easily when the hex nut is removed Slide the indicator stem key 15 out of the indicator fitting key 19 The main spring key 12 and upper spring seat key 17 will be free If necessary use the indicator stem key 15 to pry the back up rings key 16 and O ring key 18 out of the indicator fitting key 19 Check the indicator fitting O ring key 6 Lubricate and replace if necessary To replace travel indicator parts lubricate all O rings back up rings and threads To reassemble hold the indicator stem key 15 and place the parts on the stem in the following order see Figure 10 Washer key 79 for NPS 6 DN 150 size only Main Spring key 12 small end first Upper Spring Seat key 17 make sure to place the large end toward the spring First Back up Ring key 16 3 80 100 to 130 136 to 176 19 to 25 26 to 34 200 to 300 271 to 407 200 to 300 271 to 407 4 6x40r8x4 100 150 x 100 or 200 x 100 160 to 210 217 to 285 19 to 25 26 to 34 200 to 300 271 to 407 200 to 300 271 to 407 2080 12 40 275 to 300 37
27. 23 and 200 x 100 17268 and 17288 16 1 1 17 1 2 20 1 4 30 2 1 30 2 1 30 2 1 18B8502X012 Red 17E88 and 17E97 21 1 5 24 1 7 26 1 8 40 2 8 40 2 8 40 2 8 17E97 10 0 69 11 0 76 14 0 97 12 0 83 16 1 1 16 1 1 6 8x 6 and ROSSA cac 17E88 10 069 13 090 13 090 12 083 21 15 21 15 12x6 150 200 x 150 19 0366 012 Green 17E97 14 0 97 22 1 5 22 1 5 19 1 3 29 2 0 29 2 0 and 300 x 150 17E88 17 1 2 21 1 5 21 1 5 20 1 4 36 2 5 36 2 5 19B0365X012 Red 17E88 and 17E97 23 1 6 29 2 0 29 2 0 30 2 1 41 2 8 41 2 8 GE09393X012 Yellow 16 1 1 19 1 3 8 200 GE09396X012 Green 17E97 20 1 4 23 1 6 GE09397X012 Red 26 1 8 30 2 1 1 See Table 1 for structural design ratings Table 3 for pilot ratings and Table 10 for maximum pressure ratings 2 The white and yellow springs are only recommended for inlet pressures under 100 psig 6 9 bar 3 The red black purple red stripe and black with white stripe springs are only recommended for applications where the maximum inlet pressure can exceed 500 psig 34 5 bar Principle of Operation As long as the outlet control pressure is above the outlet pressure setting the pilot valve plug or disk remains closed Figure 2 Force from the main spring in addition to inlet pressure bleeding through the Type 112 restrictor the restrictor is integral in the PRX Series pilots provides downward loading pressure to keep the main valve diaphragm and plug assembly tightly shuto
28. 25 AP Only M4500328X12 15 Lower Diaphragm Plate M0253410X12 35 Spring Barrel Extension for AP M0274100X12 16 Body M0253310X12 Recommended Spare Part Industrial Regulators Natural Gas Technologies TESCOM Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Emerson Process Management Tescom Corporation USA Headguarters Elk River Minnesota 55330 2445 USA Tels 1 763 241 3238 1 800 447 1250 Asia Pacific Singapore 128461 Singapore Tel 65 6770 8337 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9000 Europe Selmsdorf 23923 Germany Tel 49 38823 31 287 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9499 Europe Bologna 40013 Italy Tel 39 051 419 0611 Middle East and Africa Dubai United Arab Emirates Tel 011 971 4811 8100 Europe Bologna 40013 Italy Tel 39 051 419 0611 Chartres 28008 France Tel 33 2 37 33 47 00 Middle East and Africa Dubai United Arab Emirates Tel 011 971 4811 8100 For further information visit www fisherregulators com The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are the property of their prospective owners Fisher is a mark owned by Fisher Controls Int
29. 3 Strainer Replacement Shim NPS 1 and 1 1 4 x 1 DN 25 and 32 x 25 bodies NPS 2 x 1 and 2 DN 50 x 25 and 50 bodies NPS 3 DN 80 body NPS 4 DN 100 body NPS 6 DN 150 body NPS 8 DN 200 body 24 Nameplate 25 Flow Arrow NPS 1 to 1 1 4 x 1 DN 25 to 32 x 25 bodies NPS 2 x 1 2 3 4 6 and 8 DN 50 x 25 50 80 100 150 and 200 bodies 26 Drive Screw For NPS 1 and 1 1 4 x 1 DN 25 and 32 x 25 4 required For NPS 2 x 1 2 3 4 and 6 DN 50 x 25 50 80 100 and 150 5 required For NPS 8 DN 200 6 required 28 O ring NPS 1 and 1 1 4 x 1 DN 25 and 32 x 25 bodies Nitrile NBR Fluorocarbon FKM NPS 2 x 1 and 2 DN 50 x 25 and 50 bodies Nitrile NBR Fluorocarbon FKM NPS 3 DN 80 body Nitrile NBR Fluorocarbon FKM NPS 4 DN 100 body Nitrile NBR Fluorocarbon FKM NPS 6 DN 150 body Nitrile NBR Fluorocarbon FKM Recommended Spare Part 28 Part Number 19B2409X012 GE17585X012 28B5970X012 39B0767X012 18B2138X012 18B8503X012 20C2461X012 T14188T0012 19B2270X012 19B4691X012 24B1301X012 29B2269X012 20B8004X012 10B4409X012 20B4367X012 20B4374X012 20B7853X012 29B5966X012 13B8061X012 13B8062X012 13B8063X012 13B8064X012 13B8065X012 39B5967X012 1V105938982 1V106038982 14368228982 19B2838X012 19B2838X022 18B2124X012 18B2124X022 18B8514X012 18B8514X022 18B2140X012 18B2140X022 19B0359X012 10A3591X012 Key Description 28 O ring continued NPS 8 DN 200 b
30. 3 to 407 50 to 100 68 to 136 300 to 425 407 to 577 300 to 425 407 to 577 150 200 x 150 or 300 x 150 8 200 400 to 450 542 to 610 90 to 110 122 to 149 300 to 425 407 to 577 300 to 425 407 to 577 11 O ring key 18 Second Back up Ring key 16 Indicator Fitting key 19 the back up rings key 16 and O ring key 18 should slide into the indicator fitting and the small end of the upper spring seat key 17 should slide into the indicator fitting First Hex Nut key 4 Indicator Washer key 20 Second Hex Nut key 4 Install the indicator fitting key 19 into the bonnet key 2 Figure 14 tighten to the proper torque see Table 13 To set the travel indicator hold the indicator cover key 21 next to the indicator fitting key 19 Screw the hex nuts key 4 and the indicator washer key 20 down on the indicator stem key 15 until the washer is even with the lowest marking on the indicator cover Lightly lubricate the indicator cover threads and install Replace the indicator protector key 22 To replace the travel indicator with the non travel indicator option place the main spring key 12 into the bonnet Install the indicator plug key 19 and tighten to proper torque see Table 13 Type EZR 161EB Series Pilots Figure 19 Note This procedure covers all 161EB Series pilots Types 161EB and 161EBM rated for outlet pressure settings over 200 psig 13 8 bar require a diap
31. 4 NPT NORMALLY PLUGGED INLET 1 4 NPT CONNECTS INLET 1 4 NPT TO 1 4 NPT CONNECTS TYPE 112 OUTLET TO 1 4 NPT TYPE 112 OUTLET CONTROL LINE CONNECTION 1 4 NPT PRESSURE EXHAUST USE 3 8 NPT O D TUBING LARGER FOR CONTROL LINE 21B5005 A TYPE 161EB 3 8 NPT O D TUBING OR LARGER REGISTRATION AND PILOT BLEED PILOT BLEED EXHAUST CONNECTION 3 4 NPT USE 1 2 NPT PIPE MINIMUM FOR BLEED EXHAUST LINE TYPE 161AYM CONTROL LINE CONNECTION 1 4 NPT PRESSURE REGISTRATION ONLY USE 3 8 NPT O D TUBING OR LARGER FOR CONTROL LINE PILOT BLEED EXHAUST CONNECTION 1 4 NPT USE 3 8 NPT O D TUBING OR LARGER FOR BLEED EXHAUST LINE TYPE 161EBM Figure 7 Pilot Port Function and Connection Sizes 15 Type EZR Type EZR Main Valve Trim Parts Instructions are given for complete disassembly and assembly The main valve may remain in the pipeline during maintenance procedures Key numbers are referenced in Figures 14 through 18 Avoid personal injury or damage to property from sudden release of pressure or uncontrolled gas or other process fluid Before starting to disassemble carefully release all pressures according to the Shutdown procedure Use gauges to monitor inlet and outlet pressures while releasing these pressures Converting a Fisher E Body to Type EZR Remove all trim parts from the main valve and clean the bo
32. 6 into the spring case key 3 followed by the baffle plate key 56 and adjusting screw key 35 Turn the adjusting screw key 35 clockwise until there is enough spring key 6 force to provide proper slack to the diaphragm key 10 Using a crisscross pattern tighten the cap screws key 24 and hex nuts key 23 not shown to 14 to 17 foot pounds 19 to 23 of torque To adjust the outlet pressure to the desired setting refer to Startup and Adjustment section Install a replacement closing cap gasket key 25 if necessary and then install the closing cap key 22 PRX Series Maintenance Always remove spring compression before performing maintenance on this unit To remove spring compression loosen locknut key 2 Figure 27 and back out adjusting screw key 1 until compression is removed from the spring key 7 Lower Case Maintenance 1 2 22 Remove pressure from the pilot Remove machine screws key 10 from lower cover key 21 and the separate lower cover from the body key 16 Use a wrench to hold the stem key 23 and loosen the stem nut key 20 Remove the stem nut and washer key 11 Remove the upper diaphragm plate key 13 diaphragm key 14 pad holder key 22 and O ring key 18 Inspect parts for damage or wear and replace if necessary Remove orifice key 19 and O ring key 17 Inspect the parts for damage or wear and replace if necessary Lightly lubricate the O
33. 80 100 150 x 100 AND 200 x 100 BODY SIZES NOTE SEE NPS 2x 1 DN 50 X 25 ASSEMBLY FOR ADDITIONAL PARTS Key Description 15 Stem NPS 1 1 1 4 x 1 and 2x 1 DN 25 32 x 25 and 50 x 25 bodies NPS 2 DN 50 body with travel indicator NPS and 4 DN 80 100 bodies NPS 6 DN 150 body NPS 8 DN 200 body 16 Back up Ring 2 required NPS 1 1 1 4 x 1 2x 1 and 2 DN 25 32 x 25 50 x 25 and 50 bodies NPS3 4 6x4 8x4 6 8x 6 and 12x 6 DN 80 100 150 x 100 200 x 100 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 17 Upper Spring Seat NPS 1 1 1 4 x 1and 2x 1 DN 25 32 x 25 and 50 x 25 bodies NPS 2 DN 50 body with travel Indicator NPS 3 4 6 8x4 DN 80 100 150 x 100 and 200 x 100 bodies NPS 6 8x 6 and 12x 6 DN 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body Recommended Spare Part Figure 14 Type EZR Main Valve Part Number T14185T0012 T14185T0012 T21074T0012 29B0366X012 29B5076X012 1N659106242 13418806992 1K786806992 18B2129X012 18B2129X012 18B5968X012 29B0764X012 20C1357X012 Key Description 18 O ring NPS 1 1 1 4 1 2x 1 and 2 DN 25 32 x 25 50 x 25 and 50 bodies Nitrile NBR Fluorocarbon FKM NPS 3 4 6 x 4 8 x 4 6 8 x 6 and 12 x 6 DN 80 100 150 x 100 200 x 100 150 200 x 150 and 300 x 150 bodies Nitrile NBR Fluorocarbon FKM NPS 8 DN 200 body Nitrile NBR Fluorocarbon FKM 19 Indicator Fitting NPS 1 1 1 4 x 1 2x 1 and 2 DN 25
34. ESSURE DO ATMOSPHERIC PRESSURE LOADING PRESSURE TYPE EZR WITH PRX SERIES PILOT AND TYPE 252 FILTER Figure 2 Type EZR Operational Schematic BLOCK VALVE B2605 A BLOCK VALVE gt HAND VALVE CONTROL LINE ALTERNATE CONTROL LINE 161 SERIES PILOT 161 SERIES SINGLE PILOT INSTALLATION WITH PILOT EXHAUST INTO CONTROL LINE BLOCK VALVE SUPPLY PRESSURE LINE B2605 zr 161 SERIES CONTROL LINE zt BLOCK VALVE ALTERNATE CONTROL LINE 161 SERIES SINGLE PILOT INSTALLATION WITH SEPARATE PILOT EXHAUST LINE BLOCK VALVE BLOCK VALVE INLET gt SUPPLY PRESSURE LINE OUTLET PILOT EXHAUST Ne HAND VALVE NO ALTERNATE CONTROL LINE a CONTROL LINE TYPE PRX SINGLE PILOT INSTALLATION WITH SEPARATE PILOT EXHAUST LINE Figure 3 Typical Type EZR Single Installation Schematics Type EZR Installation Personal injury eguipment damage or leakage due to escaping gas or bursting of pressure containing parts may result if this regulator is overpressured or is installed where service conditions could exceed the limits given in Specifications section on page 2 or where conditions exceed any ratings of the adjacent piping or piping connections To avoid such injury or damage provide pressure relieving or pressure limiting devices as reguired by the appropria
35. Instruction Manual Form 5468 March 2014 Type EZR Type EZR Pressure Reducing Regulator 161AY SERIES PILOT W7399 p Mae s E sin T W8346 TYPE PRX PILOT TYPE EZR REGULATOR Figure 1 Type EZR Pressure Reducing Regulator Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion and or fire causing property damage and personal injury or death Fisher regulators must be installed operated and maintained in accordance with federal state and local codes rules and regulations and Emerson Process Management Regulator Technologies Inc Regulator Technologies instructions If the regulator vents gas or a leak develops in the system service to the unit may be required Failure to correct trouble could result in a hazardous condition Call a gas service person to service the unit Only a qualified person must install or service the regulator www fisherregulators com Introduction Scope of the Manual This instruction manual provides installation startup adjustment maintenance and parts ordering information for Type EZR pressure reducing regulator Type 112 restrictor 161AY 161EB and PRX Series pilot Any accessories used with this regulator are covered in their respective instruction manuals Product Description The Type EZR pilot operated pressure reducing regulators are used for natural gas air or other no
36. N COLOR CODE MATERIAL 100 Trim 60 Trim 30 Trim 100 Trim 60 Trim 30 Trim psi bar psi bar psi bar psi bar psi bar psi bar 19B2400X012 Light Blue 17E68 and 17E88 24 1 7 29 2 0 31 22 24 1 7 31 2 2 40 2 8 17E97 35 2 5 38 2 7 42 2 9 35 2 5 39 2 7 52 3 6 17 68 17588 30 21 35 24 39 27 30 21 36 25 52 36 BE us AS 17E88 and 17E97 43 3 0 50 3 4 56 3 9 43 3 0 53 3 7 68 4 7 19B2400X012 Light Blue 17E68 and 17E88 24 1 7 29 2 0 31 22 24 1 7 31 2 2 40 2 8 19B2401X012 17E97 43 3 0 50 3 4 56 3 9 43 3 0 53 3 7 68 4 7 2x1 50x25 Black with White Stripe 17E68 and 17E88 43 3 0 50 34 56 39 43 30 53 37 68 47 17 97 68 4 7 73 5 0 88 6 1 72 5 0 81 5 6 102 7 0 19B0951X012 Yellow 17E68 and 17E88 12 0 83 15 1 0 15 1 0 12 0 83 25 127 20 1 4 17 97 24 1 7 25 TX 26 1 8 24 1 7 30 2 1 37 2 6 2150 18B2126X012 Green 17E68 and 17E88 18 1 2 20 1 4 22 1 5 19 1 3 26 1 8 28 1 9 EEGI ita 17288 and 17297 29 2 0 29 2 0 31 2 1 31 2 1 35 24 43 3 03 T14184T0012 Yellow 17E68 17E88 and 17E97 16 1 1 19 13 24 AT 23 1 6 23 1 6 29 2 0 3 80 19B0781X012 Light Blue 17E97 23 1 6 23 1 6 23 1 6 23 1 6 23 1 6 25 1 7 17E68 and 17E88 21 1 5 22 1 5 28 1 9 28 1 9 28 1 9 33 2 3 19B0782X012 Black 17E88 and 17E97 32 2 2 33 2 3 43 3 0 38 2 6 38 2 6 50 3 4 T14184T0012 Yellow 17E68 17E88 and 17E97 10 0 69 12 0 83 14 0 97 25 det 25 1 7 25 127 KT QE 17E97 16 11 17 12 21 15 23 34 23
37. O ring key 121 and place it on the restrictor plate Secure the cage to the restrictor plate with the cap screws key 126 using a torque of 10 to 12 foot pounds 14 to 16 N m For NPS 2 x 1 DN 50 x 25 sizes the lower adaptor key 132 must be assembled on the cage before placing in the body Lightly lubricate the lower adaptor O rings keys 121 and 67 and place the lower adaptor on a flat surface Then press the cage down into the lower adaptor Maintenance for maintenance 7T Install the bonnet key 2 in proper orientation Make sure to use a Type EZR bonnet The Type EZR bonnet is NOT interchangeable with other Fisher E body bonnets Installing an improper bonnet can result in stem assembly breakage and unit failure The bonnet can be identified by the Type EZR markings on the top 17 Type EZR BOTTOM PLUG KEY 11 FLANGED LOCKNUT gt KEY 13 _ Ve 9 Ww O RING W7394 KEY 10 DIAPHRAGM KEY 9 p O RING KEY 14 O RING KEY 70 TOP PLUG KEY 5 Figure 9 Diaphragm and Plug Assembly Components 8 Lubricate cap screws key 3 and secure the bonnet key 2 using an even crisscross pattern It may be necessary to push down on bonnet to start cap screws Tighten cap screws to proper torque see Table 13 Diaphragm and Plug Assembly Maintenance The diaphragm and plug assembly can be replaced as a single unit a diaphragm cartridge or individual component
38. Pipe Nipple Plated steel NPS 1 DN 25 body NPS 2 DN 50 body NPS 3 DN 80 body NPS 4 DN 100 body NPS 6 DN 150 body NPS 8x6 and 12x6 DN 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 38 Pipe Nipple Plated steel Pounds to Inches 161AY 161EB Series Pilots Monitor System Mounting Parts Figure 25 Key Description Part Number 38 Pipe Nipple Galvanized Steel 45 Bushing Plated Steel 2 required 138 Pipe Nipple Galvanized Steel 139 Coupling Steel 140 Bushing Plated Steel 141 Pipe Nipple Galvanized Steel TYPE PRX PILOT 401205 NOTE CD NPS 4 DN 100 BODY ONLY MOUNTING FOR NPS 1 THROUGH 4 DN 25 THROUGH 100 TYPE EZR REGULATOR GE18431 TYPE PRX PILOT MOUNTING FOR NPS 6 AND 8 DN 150 AND 200 TYPE EZR REGULATOR 20B4393 A L APPLY LUBRICANT Figure 22 Type 112 Restrictor NPS 1 DN 25 ONLY OR 4 73 TYPE 161AY OR 161AYM 41B3471 TYPE 161AY PILOT MOUNTING FOR NPS 1 THROUGH 6 DN 25 THROUGH 150 TYPE EZR REGULATOR NPS 1 DN 25 ONLY TYPE 161AY OR 161AYM 41B3471 TYPE 161AY PILOT MOUNTING FOR NPS 8 DN 200 TYPE EZR REGULATOR Figure 23 Types PRX and 161AY Pilot Mounting Parts 37 Type EZR B2612 Figure 24 Pounds to Pounds 161EB Series Pilots Working Monitor Mounting Parts TYPE 399A OR EZR TYPE 161 OR 161M Q TYPE 161AYM 41B5009 Figure 25 Pounds to I
39. ance 1050 72 4 800 552 1050 72 4 Red 1 See Table 1 for main valve structural design ratings and Table 3 for pilot ratings 2 The red black purple red stripe and black with white stripe springs are only recommended for applications where the maximum inlet pressure can exceed 500 psig 34 5 bar 3 For differential pressures above 400 psid 27 6 bar d diaphragm temperatures are limited to 150 F 66 4 These are recommendations that provide the best regulator performance for a typical application Please contact your local Sales Office for further information if a deviation from the 14 Type EZR LOADING CONNECTION 1 4 NPT PIPE CONNECTS TO TYPE EZR DIAPHRAGM LOADING PORT Van PILOT SUPPLY CONNECTION 1 4 NPT PIPE CONNECTS TO UPSTREAM PILOT SUPPLY TAP OUTLET CONNECTION 1 4 NPT PIPE CONNECTS TO PILOT INLET CONNECTION i F OPTIONAL LOADING CONNECTION 11 5004 1 4 N TYPE 112 PT NORMALLY PLUGGED CONTROL LINE CONNECTION 1 2 NPT PRESSURE REGISTRATION ONLY USE FOR CONTROL LINE NA CONTROL LINE CONNECTION 3 4 NPT PRESSURE REGISTRATION AND PILOT BLEED EXHAUST USE 3 4 NPT PIPE MINIMUM FOR fh M INLET 3 4 NPT CONNECTS CONTROL LINE TO 1 4 112 OUTLET N D INLET 3 4 NPT Tu CONNECTS TO 1 4 NPT TYPE 112 OUTLET B2609 TYPE 161AY 1
40. bove 400 psig 27 6 bar diaphragm temperature is limited to 150 F 66 C 3 The aromatic hydrocarbon content is based on percent volume Table 9 Type EZR Working Monitor Performance MONITORING PILOT MINIMUM PRESSURE OVER NORMAL DISTRIBUTION PRESSURE AT WHICH MONITOR PILOT CAN BE SET Construction Outlet Control Pressure Range Spring Part Number WITH A RESTRICTOR SETTING OF 2 6 to 15 inches w c 15 to 37 mbar 1B653927022 1 inch w c 2 mbar 0 5 to 1 2 psig 34 to 83 mbar 1B537027052 1 inch w c 2 mbar Type 161AY or 461AYM 1 2 to 2 5 psig 83 mbar to 0 17 bar 1B537127022 0 5 psig 34 mbar 2 5 to 4 5 psig 0 17 to 0 31 bar 1B537227022 0 5 psig 34 mbar 4 5 to 7 psig 0 31 to 0 48 bar 1B537327052 0 5 psig 34 mbar 5 to 15 psig 0 34 to 1 0 bar 17B1260X012 0 5 psig 34 mbar 10 to 40 psig 0 69 to 2 8 bar 17B1262X012 0 5 psig 34 mbar 30 to 75 psig 2 1 to 5 2 bar 17B1259X012 0 6 psig 41 mbar 101 70 to 140 psig 4 8 to 9 7 bar 17B1261X012 1 8 psig 90 mbar 130 to 200 psig 9 0 to 13 8 bar 17B1263X012 1 5 psig 0 10 200 to 350 psig 13 8 to 24 1 bar 17B1264X012 3 psig 0 21 bar Type 161EB 30 to 300 psig 2 1 to 20 7 bar 15A9258X012 1 Monitor pilot minimum setpoint was determined with pressure drop ranging from 50 to 150 psig 3 5 to 10 3 bar Approximately double the minimum monitor pilot setpoint Shutdown for Both Single Regulator and Monitoring Installations If pilot su
41. dy interior Then follow procedure in Assembly section to convert a Fisher E body to a Type EZR When installing a Type EZR trim package make sure flow is up through the center of the cage and down through the cage slots In some cases correct flow path is achieved by removing the body from the line and turning it around If this is done change the flow arrow to indicate the correct direction Damage may result if flow is not in the correct direction After assembly check the regulator for shutoff and leakage to atmosphere Disassembly Disassembly of Type EZR 1 Shutdown isolate and depressurize the main valve and pilot 2 Remove the cap screws key 3 Lift up and remove the bonnet key 2 from the body key 1 Note For the NPS 8 DN 200 body the lifting flange key 143 is capable of supporting the full weight of the regulator assembly and can be utilized to lift bonnet if required 3 Remove the diaphragm and plug assembly key 9 and bonnet O ring key 28 For NPS 2 x 1 ELASTOMER FABRIC MATERIAL CODE THICKNESS CODE YEAR OF MANUFACTURE RADIAL LOCATION TO LOCATE IMPRINT CODE LOCATE INK CODE BETWEEN RADII DOME IDENTIFICATION THICKNESS INK CODE USE ONE LOCATION ONLY MANUFACTURER CODE MATERIAL INK CODE Figure 8 Diaphragm Markings Table 11 Diaphragm Imprint Codes STYLE MATERIAL DIAPHRAGM MATERIALS Imprint Ink
42. easing the restrictor setting for maximum stability decreased opening speed increased closing speed A lower setting also provides a narrower proportional band for better accuracy The 8 position has the largest flow is most stable and easiest for startup however using the 8 position is not necessary The 0 setting has the smallest minimum flow passage at no point of rotation will the Type 112 restrictor be completely shut off After initial adjustment the restrictor does not need to be adjusted for maintenance or startup 12 Pilot Adjustment For Low Flow Applications Only For stable low flow operation other considerations besides pilot settings should also be addressed Installation of an oversized regulator may make low flow operation difficult When possible a smaller sized Type EZR should be installed During design of a regulator installation the downstream piping volume should be maximized Control lines should not be located in or near piping sections that may experience turbulent flow such as elbows or swages Larger diameter control lines are also recommended in low flow conditions The larger control lines are less restrictive and will reduce pilot exhaust bleed backpressure to the pilot that may cause instability Separate sense and exhaust lines may also help at low flow conditions This feature is provided on the PRX Series Types 161M 161HM 161EBM and 161AYM pilots Control line taps should be
43. ed accuracy and sensitivity an integral restrictor adjustment which allows adjustable opening and closing speeds and a damper adjustment which adjusts inlet pressure variability and loading pressure oscillations Type PRX 120 AP Outlet pressure range of 435 to 1000 psig 30 0 to 69 0 bar The Type PRX 120 AP can be used as the pilot on single stage pressure reducing regulators as the monitor pilot or working pilot in wide open monitor systems or as the working pilot for monitoring and working regulators in the working monitoring systems Type PRX 125 lIdentical to the Type PRX 120 except the restriction screw is removed The Type PRX 125 can only be used as the monitor override pilot on working monitor applications PRX 125 AP dentical to the Type PRX 120 AP except the restriction screw is removed The Type PRX 125 AP can only be used as the monitor override pilot on working monitor applications Note For applications requiring extremely tight control using a Type 161AYM or 161EBM monitor pilot will increase the accuracy of the regulator Type EZR Table 1 Main Valve Body Sizes End Connection Styles and Body Ratings STRUCTURAL DESIGN MAIN VALVE BODY SIZE NPS DN MAIN VALVE BODY MATERIAL END CONNECTION STYLES RATINGS NPT NPS 2 x 1 and 2 DN 50 x 25 and 50 only 400 psig 27 6 bar EX To sudang B7 Cast iron CL125 FF 200 psig 13 8 ba 50 x 25 50 80 100 and 150
44. er Key Description Part Number Parts Kits 17 Orifice O ring See Parts Kits Elastomer Parts Kits includes keys 4 5 14 17 18 Lower Cover O ring See Parts Kits 18 25 and 28 19 Orifice M0253440X12 Types PRX 120 and PRX 125 20 Nut M5002004X12 Nitrile NBR RPRX00XON12 21 Lower Cover M0298600X12 Fluorocarbon FKM RPRXOOXOF 12 22 Pad Holder Types PRX 120 AP and PRX 125 AP Polyurethane PU M0253400X12 Nitrile NBR RPRXAPXON12 Fluorocarbon FKM M0279950X12 Fluorocarbon FKM RPRXAPXOF12 23 Stem M0253430X12 1 Adjusting Screw M0253340X12 24 Nameplate 2 2 Locknut M5036008X12 25 Stem O ring See Parts Kits 3 Cap M0253350X12 26 Upper Diaphragm Nut M5028005X12 4 Upper Cover O ring See Parts Kits 27 Damper Adjusting Screw with Hole M0253480X12 5 O ring See Parts Kits 28 Restrictor Damper O ring See Parts Kits 6 Upper Spring Seat M0253360X12 29 Plate GD25440X012 7 Spring See Table 2 29 Damper Restrictor Plate 8 Upper Cover M0298540X12 Types PRX 120 and PRX 120 AP M0254400X12 9 Lower Spring Seat M0253380X12 Types PRX 125 and PRX 125 AP M0257930X12 10 Machine Screw M5011018X12 30 Ring Nut 2 required M0253490X12 11 Washer 14 required M5055001X12 31 Nameplate Screw M5061001X12 12 Filter M4500367X12 32 Restrictor Adjusting Screw with Hole M0253480X12 13 Upper Diaphragm Plate 2 required 0253390 12 33 Plug Types PRX 125 and PRX 125 AP Only M0257920X12 14 Diaphragm See Parts Kits 34 Plug Types PRX 125 and PRX 1
45. ernational LLC a business of Emerson Process Management The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Regulator Technologies Inc does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Process Management Regulator Technologies Inc product remains solely with the purchaser EMERSON n 4 E en GOEmerson Process Management Regulator Technologies Inc 1999 2014 All Rights Reserved
46. ff When the outlet pressure decreases below the pilot outlet pressure setting the pilot plug or disk assembly opens Loading pressure bleeds downstream through the pilot faster than it can be replaced through the Type 112 restrictor This reduces loading pressure on top of the main valve diaphragm and plug assembly The force imbalance on the diaphragm allows the inlet pressure to overcome the loading pressure and main spring force and open the Type EZR diaphragm and plug assembly As the outlet pressure rises toward the outlet pressure setting it compresses the pilot diaphragm against the pilot control spring and allows the pilot valve plug or disk close Loading pressure begins building on the Type EZR diaphragm and plug assembly The loading pressure along with force from the main spring pushes the diaphragm and plug assembly onto the tapered edged seat producing tight shutoff Type EZR A 161EB SERIES PILOT 161AY SERIES PILOT TYPE 112 RESTRICTOR E TYPE 252 PILOT SUPPLY FILTER N B2625 2 FLOW DIRECTION MAIN SPRING DIAPHRAGM AND PLUG ASSEMBLY W7438 TYPE EZR WITH TYPES 161EB PILOT 112 RESTRICTOR AND 252 FILTER TYPE PRX PILOT TYPE 252 SUPPLY FILTER RESTRICTOR DAMPER PORT B a TUE o de E PORTL PORTA MAIN SPRING DIAPHRAGM AND PLUG ASSEMBLY FLOW DIRECTION Pp E0790 EHE INLET PRESSURE EE OUTLET PR
47. he control spring key 6 to match the desired spring range 3 Replace the adjusting screw key 35 4 Install the replacement closing cap gasket key 25 if necessary and reinstall the closing cap key 22 5 If the spring was changed be sure to change the stamped spring range on the nameplate To Disassemble and Reassemble Diaphragm Parts 1 Remove the closing cap key 22 and turn adjusting screw key 35 counterclockwise to remove adjusting screw baffle plate Key 56 and control spring key 6 2 Remove the spring case hex nuts key 23 not shown cap screws key 24 and spring case key 3 3 Remove the diaphragm key 10 and attached parts by tilting them so that the pusher post key 8 slips off the lever assembly key 16 To separate the diaphragm key 10 from the attached parts unscrew the machine screw key 38 from the pusher post key 8 4 Inspect the pusher post key 8 and the body seal O ring key 11 replace if required 5 Remove hex nut key 21 to separate the diaphragm key 10 and attached parts Type EZR BODY SEAL O RING KEY 11 BACK UP RING KEY 50 M BODY KEY 1 Figure 12 Expanded View of the Body Area Showing the O ring and Back up Ring Placement 6 To replace the lever assembly key 16 remove the machine screws key 17 To replace the stem key 14 or access the stem seal O ring key 30 also perform Body Area Maintenance procedure steps 1 and 4 and pull the stem
48. he desired setpoint of the monitor pilot Adjust the downstream monitoring pilot to the desired monitoring takeover pressure Reduce the upstream pilot to the normal outlet pressure setting For a wide open upstream monitor installation adjust the downstream working pilot to a setpoint higher than the setpoint of the monitor pilot Adjust the upstream monitoring pilot to the desired monitor takeover pressure Reduce the downstream pilot setting to normal outlet pressure setting For a working monitor installation adjust the setpoint of the upstream monitor pilot to the desired maximum pressure Adjust the upstream working pilot to the desired intermediate pressure setting Adjust the downstream pilot to a pressure setting slightly above the upstream monitor pilot pressure setting Adjust the upstream monitor pilot to its desired setpoint The setpoint of the monitor pilot should be adjusted at least to the guidelines shown in Table 9 The maximum may be greater Then establish final desired downstream pressure by adjusting the downstream working regulator pilot E Figure 6 Restrictor Adjustment W4559 1 Pilot Adjustment For 161 Series pilots remove the pilot closing cap key 16 Figure 19 or key 22 Figure 20 and on 161EB Series only loosen the locknut key 12 Figure 19 Turn the adjusting screw key 11 Figure 19 or key 35 Figure 20 into the spring case key 2 Figure 19 or key 3 Figure 20 to increase the d
49. hragm limiter Types 161EB and 161EBM pilots rated for outlet pressure settings under 200 psig 13 8 bar do not require a diaphragm limiter Trim Parts 1 As shown in Figure 11 remove the body plug key 3 to let the plug spring key 6 and valve plug key 4 drop freely from the body 2 Inspect the removed parts and body plug O ring key 15 replace as necessary and make sure the plug seating surfaces are free from debris 3 Sparingly apply lubricant to the body plug O ring key 15 and the threads of the body plug key 3 Install the body plug O ring over the body plug 4 Stack the plug spring key 6 and valve plug Key 4 on the body plug key 3 Install the body plug with stacked parts into the body key 1 Diaphragm Parts 1 Remove the closing cap key 16 loosen the locknut key 12 and back out the adjusting screw key 11 until compression is removed from the control spring key 9 2 Remove the machine screws key 13 not shown and separate the spring case key 2 from the body key 1 Remove the control spring seat key 8 the control spring key 9 If used remove the diaphragm limiter Key 10 Replace if necessary 3 Remove the diaphragm assembly key 7 and inspect the diaphragm 4 On Type 161EBM pilots inspect the stem guide seal assembly key 19 and if damaged replace the complete assembly Inspect the outer O ring Key 22 and replace if necessary 5 Install the diaphragm assembly
50. hragm and O rings for damage or wear and replace if necessary Lightly lubricate the O ring key 25 Place O ring over the stem key 23 and press it down into the body key 16 Set the lower diaphragm plate key 15 into the body key 16 Lightly lubricate the rims of the diaphragm key 14 and place it in the body key 16 on top of the lower diaphragm plate key 15 Set the upper diaphragm plate key 13 on top of the diaphragm key 14 Place washer key 11 and upper diaphragm nut Key 26 on the stem key 23 and tighten using a wrench to hold the stem Set the upper spring seat key 6 Damper and Restrictor Maintenance 1 Remove screw key 31 Figure 27 and plate key 29 2 Remove ring nuts key 30 3 Remove damper adjusting screw key 27 Remove and inspect O ring key 28 for damage or wear and replace if necessary Lightly lubricate O ring before placing on the adjusting screw Insert damper adjusting screw into the body key 16 and tighten Insert ring nut key 30 and tighten Back out damper adjusting screw until it stops Remove restrictor adjusting screw with hole key 32 Remove and inspect O ring key 28 for damage or wear and replace if necessary Lightly lubricate O ring before placing on the adjusting screw Insert restrictor adjusting screw into the body key 16 and completely tighten Insert ring nut key 30 and completely tighten Back out restrictor adjusting sc
51. itrile NBR Fluorocarbon FKM NPS 3 DN 80 body Nitrile NBR Fluorocarbon FKM NPS 4 6 x 4 and 8 x 4 DN 100 150 x 100 and 200 x 100 bodies Nitrile NBR Fluorocarbon FKM NPS 6 8x 6 and 12x 6 DN 150 200 x 150 and 300 x 150 bodies Nitrile NBR Fluorocarbon FKM NPS 8 DN 200 body Nitrile NBR Fluorocarbon FKM 9 Diaphragm NPS 1 1 1 4 x 1 and2x 1 DN 25 32x 25 and 50 x 25 bodies 17297 Nitrile NBR high pressure 17E88 Fluorocarbon FKM 17E68 Nitrile NBR low pressure NPS 2 DN 50 body 17268 Nitrile NBR low temperature 17E97 Nitrile NBR high pressure 17E88 Fluorocarbon FKM NPS 3 DN 80 body 17268 Nitrile NBR low temperature 17E97 Nitrile NBR high pressure 17E88 Fluorocarbon FKM NPS 4 6x 4 and 8 x 4 DN 100 150 x 100 and 200 x 100 bodies 17268 Nitrile NBR low temperature 17 97 Nitrile NBR high pressure 17E88 Fluorocarbon FKM NPS 6 8x 6 and 12 x 6 DN 150 200 x 150 and 300 x 150 bodies 17E97 Nitrile NBR 17E88 Fluorocarbon FKM NPS 8 DN 200 body 17E97 Nitrile NBR 10 O ring NPS 1 1 1 4 x 1 2x 1 and 2 DN 25 32 x 25 50 x 25 and 50 bodies Nitrile NBR Fluorocarbon FKM NPS 2 DN 50 body Nitrile NBR Fluorocarbon FKM NPS 3 4 6x 4 and 8 x 4 DN 80 100 150 x 100 and 200 x 100 bodies Nitrile NBR Fluorocarbon FKM NPS 6 8x 6 and 12 x 6 DN 150 200 x 150 and 300 x 150 bodies Nitrile NBR Fluorocarbon FKM Recommended Spare Part 26 Part Number
52. n corrosive gas applications and include a Type 112 restrictor and a 161EB 161AY or PRX Series pilot For applications that have high pressure drops using a Type 161AYM or 161EBM monitor pilot will increase the accuracy of the regulator s Process Management EMERSON D102600X012 Type EZR Specifications Specifications for the Type EZR regulator are shown below The control spring range for the pilot is marked on the spring case of 161EB Series pilots and on the nameplate of 161AY and PRX Series pilots Other information for the main valve appears on the nameplate Main Valve Body Sizes End Connection Styles and Structural Design Ratings See Table 1 Maximum Inlet Pressures and Pressure Drops Main Valve See Table 10 Pilots See Table 3 Restrictor 1500 psig 103 bar Outlet Control Pressure Ranges See Table 2 Main Valve Plug Travel NPS 1 1 1 4x1 2x1 DN 25 32 x 25 50 x 25 0 37 inch 9 4 mm NPS 2 DN 50 0 68 inch 17 mm NPS 3 DN 80 0 98 inch 25 mm NPS 4 7 DN 100 1 19 inch 30 mm NPS 6 DN 150 1 5 inch 38 mm NPS 8 DN 200 1 75 inch 44 mm Minimum and Maximum Differential Pressures See Tables 4 and 10 Proportional Bands See Table 2 Temperature Capabilities See Table 8 Pressure Registration External Options Integral Slam Shut Device Pre piped Pilot Supply and Pilot Bleed Travel Indicator Inlet Strainer Type 252 Pilot Supply Filter Trim Package Restric
53. n plugged Connect the loading port Port L of the upstream Type PRX 120 pilot to the bonnet of the upstream Type EZR regulator Connect the B port of the upstream Type PRX 120 pilot to the S port of the upstream Type EZR BLOCK VALVE DOWNSTREAM BLOCK VALVE zt UPSTREAM REGULATOR REGULATOR INLET gt OUTLET I werh bowen SUPPLY HAND VALVE SUPPLY i PRESSURE PRESSURE LINE RESTRICTOR s d LINE i CONTROL 161 SERIES PILOT PILOT RESTRICTOR 161 SERIES LINE 4 EKHAUST PILOT HAND VALVE B2605 C CONTROL LINE NC ALTERNATE CONTROL LINE 161 SERIES WIDE OPEN MONITORING SYSTEM INSTALLATION UPSTREAM OR DOWNSTREAM BLOCK VALVE WORKING BLOCK VALVE MONITOR REGULATOR REGULATOR INLET Pw OUTLET I I HAND VALVE SUPPLY PRESSURE LINE RESTRICTOR SUPPLY PRESSURE LINE CONTROL LINE 161 SERIES WORKING PILOT 161 SERIES MONITOR PILOT RESTRICTOR 161 SERIES PILOT CONTROL LINE B2605 D 161 SERIES WORKING MONITORING SYSTEM INSTALLATION BLOCK VALVE INLET gt SUPPLY PRESSURE LINE UPSTREAM REGULATOR SUPPLY PRESSURE LINE PILOT EXHAUST KE VALVE ALTERNATE CONTROL LINE DOWNSTREAM ut REGULATOR WA BLOCK VALVE lt
54. nches 161AY 161EB Series Pilots Figure 26 Pre piped Type EZR with Type 161EB Pilot Monitor System Mounting Parts Type 112 Restrictor and Type 252 Pilot Supply Filter 38 Pre piped Pilot Supply Figure 26 Key Description 59 60 61 62 68 81 gt Pipe Nipple for use without Type 252 filter NPS 1 DN 25 body NPS 2 4 DN 50 80 and 100 bodies NPS 6 8x 6 and 12x 6 DN 150 200 x 150 and 300 x 150 bodies Elbow for use without Type 252 filter Tubing Connector for use without Type 252 filter 1 required with Type 252 2 required without Type 252 Steel Stainless Steel Tubing Stainless steel External Elbow for use with Type 252 filter Steel Stainless Steel Nipple for mounting Type 252 filter NPS 1 2 4 DN 25 50 80 and 100 bodies NPS 6 8x 6 and 12x 6 DN 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 2 ND 14 G 4 N 4 ZA TS N N IR 5 A FE 2 SUPPLY PORT BLEED PORT LOADING PORT SENSING PORT DAMPER RESTRICTOR Part Number 9988088 GGG TYPE PRX 120 OR PRX 120 AP Figure 27 PRX Series Pilot Assembly Type EZR PA AR A A WA li 5574 tl SG SS Nae NSA AN e Gi S 8i 9 9 99 3 9 9 9 3 TYPE PRX 125 OR PRX 125 AP 39 Type EZR PRX Series Pilots Figure 27 Key Description Part Numb
55. nd Adjustment Note Table 10 shows the maximum inlet and differential pressures for specific constructions Use pressure gauges to monitor inlet pressure outlet pressure and any intermediate pressure during startup To prevent damage to the Type PRX pilot during startup the sense and bleed lines of the Type PRX should be located on the same side of the downstream block valve Keep sense and bleed lines separate Startup for Both Single Regulator and Monitoring Installations 1 Make sure all block and vent valves are closed 2 Back out the pilot adjusting screw s 3 For easy initial startup set the restrictor to the 8 position For future startups the restrictor can be left in the desired run position 4 SLOWLY OPEN the valves in the following order a Pilot supply and control line valve s if used b Inlet block valve c Outlet block valve 5 For a 161 Series pilot with Type 112 restrictor turn the restrictor s to position 2 or to the desired run position For a PRX Series pilot turn the restrictor screw 1 turn counterclockwise from fully seated turn restrictor fully clockwise then 1 turn counterclockwise and the damper screw fully counterclockwise 6 For a single regulator set the pilot to the desired outlet control pressure according to the pilot adjustment procedure For a wide open downstream monitor installation adjust the upstream working pilot until intermediate pressure is higher than t
56. ndations is required MAXIMUM MAXIMUM MAXIMUM OPERATING INLET OPERATING EMERGENCY INLET BODY SIZE DIAPHRAGM PRESSURE DIFFERENTIAL AND DIFFERENTIAL MAIN SPRING NPS DN MATERIAL PRESSURE PRESSURE COLOR CODE psig bar psid bar d psid bar d 17E68 Nitrile NBR 100 6 9 100 6 9 100 6 9 Light Blue Low temperature 460 31 7 400 27 6 460 31 7 Black 17E97 Nitrile NBR 500 34 5 500 34 5 1050 72 4 Black High pressure and or erosion i i 1 1 1 4 1 CEDERE EE 1050 724 800 55 2 1050 724 ki nie tripe 25 and 32 x 25 100 6 9 100 6 9 100 6 9 Light Blue JA Se lores sieon E KM 500 34 5 500 34 50 750 51 7 Black High aromatic hydrocarbon content resistance 750 51 7 500 34 50 750 51 7 Baek WEN MS i Stripe M 100 6 9 100 6 9 100 6 9 Light Blue 17E68 Nitrile NBR Black with Whit Low temperature 360 24 8 300 20 7 360 24 8 Sii tripe 17297 Nitrile NBR 500 84 5 500 84 5 500 34 5 Black with White 2x1 50x25 High pressure and or erosion Stripe resistance 1050 72 4 800 55 2 1050 72 4 Red Stripe 17E88 Fluorocarbon FKM 100 6 9 100 6 9 100 6 9 Light Blue High aromatic hydrocarbon Black with White content resistance 750 51 7 500 34 59 750 51 7 Stripe 17E68 Nitrile NBR 100 6 9 100 6 9 100 6 9 Yellow Low temperature 460 31 7 400 27 6 460 31 7 Green 17E97 Nitrile NBR 500 34 5 500 34 5 1050 72 4 Green High pressure and or erosion 2 50 resistance 1050 72 4 800 552 1050 72 4 or Purple 17E88 Fluorocarbon FKM 100 6 9 100 6
57. ody Nitrile NBR Fluorocarbon FKM 47 Hex Nut SA194 2H NPS 8 DN 200 body only 8 reguired 63 Pilot Supply Pipe Plug 2 reguired 64 Bonnet Pipe Plug For NPS 2 3 4 and 8 DN 50 80 100 and 200 For NPS 6 DN 150 66 O ring NPS 8x 6 DN 200 x 150 body only Nitrile NBR Fluorocarbon FKM 67 O ring NPS 2x 1 DN 50 x 25 body Nitrile NBR Fluorocarbon FKM NPS 8 x 6 DN 200 x 150 body Nitrile NBR Fluorocarbon FKM 70 O ring NPS 1 1 1 4 x 1 and 2x 1 DN 25 32x 25 and 50 x 25 bodies Nitrile NBR Fluorocarbon FKM NPS 2 DN 50 body Nitrile NBR Fluorocarbon FKM NPS 3 and 4 DN 80 and 100 bodies Nitrile NBR Fluorocarbon FKM NPS 6 DN 150 body Nitrile NBR Fluorocarbon FKM NPS 8 DN 200 body Nitrile NBR Fluorocarbon FKM 71 Restrictor Plate NPS 1 1 1 4 x 1 and 2x 1 DN 25 32x 25 and 50 x 25 bodies For 60 Capacity Trim For 30 Capacity Trim NPS 2 DN 50 body For 60 Capacity Trim For 30 Capacity Trim NPS 3 DN 80 body For 60 Capacity Trim For 30 Capacity Trim NPS 4 6 x 4 and 8 x 4 DN 100 150 x 100 and 200 x 100 bodies For 60 Capacity Trim For 30 Capacity Trim NPS 6 DN 150 body For 10096 Capacity Trim For 60 Capacity Trim For 30 Capacity Trim NPS 8 x 6 DN 200 x 150 body For 10096 Capacity Trim For 60 Capacity Trim For 30 Capacity Trim NPS 12 x 6 DN 300 x 150 body For 10096 Capacity Trim For 60 Capacity Trim For 30 Capacity Trim 72 E Ring for Restricted Trim NPS
58. ody key 1 Travel indicator maintenance is performed for two reasons a When damaged or worn parts need replacing b When travel indicator is removed and replaced with a travel indicator plug assembly Avoid personal injury or damage to property from sudden release of pressure or uncontrolled gas or other process fluid Before starting to disassemble carefully release all pressures according to the shutdown procedure Use gauges to monitor inlet loading and outlet pressures while releasing these pressures 1 Remove the indicator protector key 22 Figure 14 and indicator cover key 21 2 Remove the first hex nut key 4 and the indicator washer key 20 3 Unscrew the second hex nut key 4 on the top of the indicator stem key 15 Do not remove 4 Use a wrench to remove indicator fitting key 19 INDICATOR FITTING KEY 19 HEX NUTS KEY 4 JA Cut INDICATOR WASHER KEY 20 INDICATOR COVER KEY 21 X INDICATOR W7400 1 O RING KEY 6 O RING KEY 18 BACK UP RINGS KEY 16 Type EZR MAIN SPRING KEY 12 UPPER SPRING SEAT KEY 17 INDICATOR STEM KEY 15 WASHER KEY 79 NPS 6 DN 150 SIZE ONLY Figure 10 Travel Indicator Parts Table 13 Torque Values BODY SIZE NPS DN TORQUE FOOT POUNDS Cap Screws Flange Locknut Indicator Fitting Indicator Plug 1 or 1 1 4 x 1 7 25 32x 25 75 to 95 102 to 129 4 to 6 5 4 to 8
59. out of the diaphragm casing key 4 7 Install the stem key 14 into the guide insert key 18 and perform Body Area Maintenance procedure steps 6 through 8 as necessary 8 Install the lever assembly key 16 into the stem key 14 and secure the lever assembly with the machine screws key 17 9 Install the parts on the pusher post in the order listed below Pusher Post key 8 Pusher Post Connector key 40 Connector Seal O ring key 49 Diaphragm Head key 7 Diaphragm key 10 pattern side up Diaphragm Head key 7 Hex Nut key 21 Tighten the hex nut 9 to 11 foot pounds 12 to 15 N m to secure parts to the pusher post connector key 40 Overpressure Spring key 39 Spring Holder key 37 Machine Screw key 38 10 Insert and tighten the machine screw key 38 with a torque of 1 to 3 foot pounds 1 4 to 4 1 to secure the diaphragm parts to the pusher post key 8 11 Install the assembled parts in the diaphragm casing key 4 Make sure the lever key 16 fits in the pusher post key 8 and that the holes in the diaphragm key 10 align with the holes in the diaphragm casing 12 Place the spring case key 3 on the diaphragm casing key 4 so the vent assembly key 26 is oriented correctly and secure with the cap screws key 24 and hex nuts key 23 not shown fingertight only 21 13 14 15 W4573 Figure 13 Pushing Groove Valve Up With Retainer Insert the control spring key
60. ownstream pressure Turn the adjusting screw out of the spring case to decrease the downstream pressure For PRX Series pilots Figure 27 loosen locknut key 2 and turn the adjusting screw into the spring case to increase or out ofthe spring case to decrease the downstream pressure When the reguired downstream pressure is maintained for several minutes tighten the locknut to lock the adjusting screw in position and replace the pilot closing cap The Restrictor and Damper screws on the PRX Series pilot control the regulator s proportional band droop and speed of response Table 7 includes the appropriate settings for low flow operation For additional tuning follow the steps outlined below 1 Start with the restrictor screw 1 turn counterclockwise from fully seated turn restrictor fully clockwise then 1 turn counterclockwise and the damper screw fully counterclockwise 2 Turn damper screw clockwise until desired performance is achieved This reduces the flow path of the damper If the damper becomes fully seated no longer able to turn clockwise and the desired performance has not been achieved return the damper screw to the fully counterclockwise position The damper screw should not be left in the fully seated position as it will lock the regulator in last position which could cause incorrect pressure regulation Type EZR Table 5 161 and 161EB Series Pilot Adjustment Recommendations Table 6 Ty
61. pe 161AY 161AYM Pilot Adjustment Recommendations PILOT TYPE RECOMMENDED TYPE 112 RESTRICTOR TYPE 112 RESTRICTOR SETTINGS TO AVOID SETTINGS FOR LOW FLOW OPERATION AT LOW FLOW Avoid restrictor setting of 2 or less if continuous 161 161H Series Pilots Restrictor Setting of 5 or greater flows are expected to be less than 596 of maximum capacity Avoid restrictor setting of 2 or less if continuous 161EB Series Pilots Restrictor Setting of 5 or greater flows are expected to be less than 596 of maximum capacity Note Higher Type 112 restrictor settings will increase proportional band Adjustment of the Type 112 restrictor will also cause a shift in setpoint Setpoint should be checked and adjusted following restrictor setting adjustment RECOMMENDED TYPE 112 PILOT TYPE RESTRICTOR SETTINGS FOR LOW FLOW OPERATION RECOMMENDED ORIFICE SIZE S FOR LOW FLOW OPERATION 3 32 or 1 8 inch 2 38 or 3 18 mm 161AY Series Pilots Restrictor Setting of 5 or greater 3 32 inch 2 38 mm is standard TYPE 112 RESTRICTOR SETTINGS AND ORIFICE SIZES TO AVOID AT LOW FLOW Avoid restrictor setting of 2 or less if continuous flows are expected to be less than 5 of maximum capacity following restrictor setting adjustment Note Higher Type 112 restrictor settings will increase proportional band Adjustment of the Type 112 restrictor will also cause a shift in setpoint Setpoint should be checked and adjusted Table 7 T
62. pply pressure is shut down first the downstream system may be subjected to full inlet pressure 1 If the pilot setting must be disturbed be sure to keep some tension on the spring This will prevent trapping inlet pressure during blow down 2 Close the valves shown in Figure 3 or 4 in the following order a Inlet block valve b Outlet block valve c Control line valve s if used 3 Open the vent valves to depressurize the system Maintenance Regulator parts are subject to normal wear and must be inspected periodically and replaced as necessary Due to the care Regulator Technologies takes in meeting all manufacturing requirements heat treating dimensional tolerances etc use only replacement parts manufactured or furnished by Regulator Technologies Also when lubrication is required use a good quality lubricant and sparingly coat the recommended part The frequency of inspection and parts replacement depends upon the severity of service conditions applicable codes and government regulations and company inspection procedures Table 12 lists various regulator problems and possible solutions for them 13 Type EZR Table 10 Main Valve Maximum Pressure Ratings Diaphragm Selection Information and Main Spring Selection DIAPHRAGM DESIGNATION 130 standard recomme
63. r to establish the required pressure drop across the station System lock up pressure is equal to the setpoint of the working regulator pilot when a Type 161EBM or a Type 161AYM is used on an upstream regulator otherwise lock up pressure is equal to monitor pilot lock up pressure Working Monitor Installations On working monitor installations the working monitor regulator is always upstream and acts as a first stage regulator through the working pilot during normal operation This arrangement allows the working monitor s performance to be observed at all times Then should the second stage regulator fail open the working monitor regulator assumes the entire pressure reduction function of the system through the monitoring pilot Use the following procedure when installing a working monitor system 1 Follow the procedures in the All Installations section and then continue with step 2 of this section 2 Pilot supply pressure for the downstream Type EZR regulator must be made directly upstream of the Type EZR using intermediate pressure 3 Significant restrictions in the control line can prevent proper pressure registration Connect the control line a minimum of 8 to 10 pipe diameters downstream of the regulator in a straight run of pipe Do not make the control line connection in a turbulent area such as in or directly downstream of a swage or elbow When used a hand valve should be a full flow valve such as a full port ball
64. rew 1 2 turn Note When using a Type PRX 120 pilot with a Type PRX 125 pilot as a monitor use the following settings Restrictor completely tighten and then back out three full turns Damper back out until it stops 5 Install plate key 29 and screw key 31 Type 112 Restrictor Perform this procedure only if O rings are leaking Key numbers are referenced in Figure 22 1 Unscrew the groove valve key 22 and retainer key 23 just enough to loosen them but do not completely separate As shown in Figure 14 push on the retainer Key 23 to push the groove valve key 22 out of the body key 21 then complete disassembly Replace the groove valve O rings key 24 if necessary being sure to lightly apply lubricant to the replacement O rings before installing them in the groove valve and retainer Install the groove valve key 22 into the same side of the body where the scale appears Install the retainer into the opposite side of the body and tighten until both are secure When all maintenance is complete refer to the Startup and Adjustment section to put the regulator back into operation Type EZR Parts Ordering When corresponding with your local Sales Office about this equipment reference the equipment serial number or FS number found on a nameplate attached to the bonnet When ordering replacement parts reference the key number of each needed part as found in the following pa
65. rts list Separate kit containing all recommended spare parts is available Parts List Type EZR Main Valve Figures 14 to 18 Key Note On an NPS 1 1 4 1 2 1 6x4 8x 4 8x 6 or 12x 6 DN 32 x 25 50 x 25 150 x 100 200 x 100 200 x 150 or 300 x 150 body the first digit indicates the end connection size and the second digit indicates the trim size Order parts according to trim size unless otherwise indicated Description Part Number Parts Kits Diaphragm Cartridge and O rings Included are keys 5 6 8 9 10 11 13 14 16 18 28 66 67 70 and 121 NPS 1 and 1 1 4 x 1 DN 25 and 32 x 25 17E68 Nitrile NBR 10C0502X032 17E97 Nitrile NBR REZRX00CS12 17E88 Fluorocarbon FKM 10C0502X052 NPS 2x 1 DN 50 x 25 17E68 Nitrile NBR 10C0502X042 17E97 Nitrile NBR REZRX00CS92 17E88 Fluorocarbon FKM 10C0502X022 NPS 2 DN 50 17E68 Nitrile NBR 18B5959X012 17E97 Nitrile NBR 18B5959X022 17E88 Fluorocarbon FKM 18B5959X062 NPS 3 DN 80 17E68 Nitrile NBR 18B9884X022 17E97 Nitrile NBR 18B9884X032 17E88 Fluorocarbon FKM 18B9884X072 NPS 4 6 x 4 8x 4 DN 100 150 x 100 200 x 100 17E68 Nitrile NBR 18B8508X022 17E97 Nitrile NBR 18B8508X032 17E88 Fluorocarbon FKM 18B8508X072 NPS 6 8 x 6 12x 6 DN 150 200 x 150 300 x 150 17E97 Nitrile NBR REZRX00CS62 17E88 Fluorocarbon FKM 19B2840X042 NPS 8 DN 200 17E97 Nitrile NBR REZRX00CS82 Diaphragm and O rings Included are keys 6 8 9 10 13 14
66. s within the assembly can be replaced When replacing individual components inspect each component for damage and wear and replace parts as needed Key numbers for the following assembly and disassembly procedure are referenced in Figures 9 and 14 1 Place a screwdriver or similar tool through the hole in the top plug key 5 2 Remove the flanged locknut key 13 from the bottom plug key 11 This loosens the entire assembly Note On NPS 1 1 1 4 x 1 and 2 x 1 DN 25 32 x 25 and 50 x 25 bodies remove the socket head screw key 129 and lock washer key 130 from the bottom plug 3 Remove the bottom plug key 11 and the bottom plug O ring key 10 4 Remove the diaphragm key 9 Remove the top plug O rings keys 14 and 70 Check all components for damage or wear and replace as necessary 7 When reassembling be sure to lubricate all O rings before installing e Hold the top plug key 5 Place the parts on the top plug in the following order O ring key 14 O ring key 70 Diaphragm key 9 O ring key10 Bottom Plug key 11 Flanged Locknut key 13 9 Reassemble in the reverse order Tighten flange locknut key 13 to proper torque see Table 13 Travel Indicator Assembly Maintenance Travel indicator assembly key numbers are referenced in Figures 10 14 and 18 The indicator assembly can be removed and installed without removing the bonnet key 2 from the b
67. scription Part Number Key Description Part Number Parts Kits 4 Hex Nut 2 required Diaphragm and O rings Included are NPS 1 1 1 4 x 1 2 x 1 and 2 DN 25 32 x 25 keys 6 8 9 10 13 14 18 28 and 70 continued 50 x 25 and 50 body 1H322228982 NPS 2 DN 50 NPS 3 4 6x 4 8x 4 6 8x 6 and 12x 6 17E68 Nitrile NBR 18B5952X012 DN 80 100 150 x 100 200 x 100 150 17E97 Nitrile NBR 18B5952X022 200 x 150 and 300 x 150 body 1L286338992 17E88 Fluorocarbon FKM 18B5952X062 NPS 8 DN 200 body 1A573528982 NPS 3 DN 80 5 Top Plug 17E68 Nitrile NBR 18 9885 022 NPS 1 1 1 4 x 1 and 2 x 1 DN 25 32 x 25 17E97 Nitrile NBR 18B9885X032 and 50 x 25 bodies 29B2404X012 17E88 Fluorocarbon FKM 18B9885X072 NPS 2 DN 50 body 28B2130X012 NPS 4 6 4 and 8x4 DN 100 150 100 NPS 3 DN 80 body 28B8511X012 and 200 x 100 NPS 4 DN 100 body 28B5964X012 17E68 Nitrile NBR 18B8507X022 NPS 6 DN 150 body 39B0370X012 17E97 Nitrile NBR 18B8507X032 NPS 8 DN 200 body 39B5071X012 17288 Fluorocarbon FKM 18B8507X072 O ring NPS 6 8 x 6 and 12 x 6 DN 150 200 x 150 NPS 1 1 1 4 x 1 2 x 1 and 2 DN 25 32 x 25 308 x 150 50 x 25 and 50 bodies 17E97 Nitrile NBR REZRX000S62 Nitrile NBR 18B3438X012 17E88 Fluorocarbon FKM 19B2837X042 Fluorocarbon FKM 1N430306382 NPS 8 DN 200 NPS 2 DN 50 body 17E97 Nitrile NBR REZRX000S82 Nitrile NBR 18B3438X012 1 Valve Body See Table 14 2 ce MNCS 2 Bonnet Assembly ne NPS 1 and 1 1 4 x
68. se the shim key 23 and vice versa 2 Type EZR regulator may be installed in any orientation as long as flow through the regulator matches the direction of the arrow on the main valve body However for easier maintenance install the regulator with the bonnet up When installing a Type EZR trim package in an existing E body make sure flow is up through the center of the cage and down through the cage slots In some cases correct flow path is achieved by removing the body from the line and turning it around If this is done change the flow arrow to indicate the correct direction Damage may result if flow is not in the correct direction After assembly check the regulator for shutoff and leakage to atmosphere Types EZR 399 restricted trim bodies NPS 6 x 4 8 x 4 8 x 6 and 12 x 6 DN 150 x 100 200 x 100 200 x 150 and Type EZR 300 x 150 are different than EW valve bodies and are not interchangeable Install trims only in correct restricted trim bodies 3 The standard pilot mounting position is as shown in Figure 1 Other mounting positions are available 4 Apply a good grade of pipe compound to the external pipeline threads for a threaded body or use suitable line gaskets for a flanged body When installing butt weld end connections remove trim before welding and make sure to use approved welding practices Use approved piping procedures when installing the regulator A regulator may vent some gas to the atmo
69. sphere In hazardous or flammable gas service vented gas may accumulate and cause personal injury death or property damage due to fire or explosion Vent a regulator in hazardous gas service to a remote safe location away from air intakes or any hazardous location Protect the vent line or stack opening against condensation or clogging 5 A clogged pilot spring case vent may cause the regulator to function improperly To prevent plugging and to keep the spring case from collecting moisture corrosive chemicals or other foreign material point the vent down orient it to the lowest possible point on the spring case or otherwise protect it Inspect the vent regularly to make sure it has not been plugged To remotely vent a spring case remove the vent and install obstruction free tubing or piping into the 1 4 NPT vent tapping Provide protection on a remote vent by installing a screened vent cap onto the remote end of the vent pipe The 161AY Series pilot has a vent restriction key 55 Figure 20 to enhance low flow stability Do not remove this restriction To avoid freeze up because of pressure drop and moisture in the gas use antifreeze practices such as heating the supply gas or adding a de icing agent to the supply gas Type EZR 6 As shown in Figure 3 run a supply pressure line from the upstream pipeline to the restrictor inlet use 3 8 NPT outer diameter tubing or larger Install a Type 252 pilot supply filter upstream
70. step 6 of All Installations of the Type EZR Installation section Adjust restrictor to a lower setting Adjust restrictor to a higher setting Check control line placement Make sure it is not located in a turbulent area Make sure there is not a restriction in the control line such as a needle valve Gas escapes from pilot spring case Replace pilot diaphragm assembly Gas escapes from travel indicator Replace indicator stem O ring if indicator is not desired convert to a non travel indicator assembly Regulator unexpectedly closes or falls below setpoint Check pilot for ice Moisture in the gas can cause ice to form and build up in the pilot blocking the flow This most commonly occurs when ambient temperature is 30 to 40 F 1 to 4 C Heating the regulator or adding a de icing agent will reduce the possibility of icing Outlet pressure approaches inlet pressure when no flow is desired Check main valve O rings for damage or improper installation Check cage and diaphragm surfaces for erosion or trapped debris Check pilot valve plug and seat for seating surface damage or debris Check pilot for ice Regulator will not open Check for clogged control line Make sure control line is installed and open Check for damage to the main valve diaphragm On new installations make sure the control line and pilot supply are properly connected Regulator will not close Make sure the pilot supply is properly connec
71. stream Type PRX 125 pilot downstream of both regulators The pilot supply pressure connection for the downstream Type EZR regulator must be directly upstream of the Type EZR using intermediate pressure and connected to the S port of the downstream Type PRX 120 Install a Type 252 pilot supply filter upstream of the pilot if needed to keep the supply Source from clogging the restrictor in the pilot Inspect and clean this filter regularly to make sure it has not been plugged Connect the loading port Port L of the downstream Type PRX 120 pilot to the bonnet of the downstream Type EZR regulator Connect the A and B ports of the downstream Type PRX 120 pilot to downstream pressure Significant restrictions in control lines can prevent proper pressure registration Connect the control line a minimum of 8 to 10 pipe diameters downstream of the regulator in a straight run of pipe Do not make the control line connection in a turbulent area such as in or directly downstream of a swage or elbow When used a hand valve should be a full flow valve such as full port ball valve Table 4 shows the minimum differential pressure requirements across an individual regulator Because this application uses a first stage and second stage pressure reduction add the minimum differential pressure for each regulator together to establish the required pressure drop across the station Do not exceed maximum pilot ratings given in Table 3 Startup a
72. te code regulation or standard to prevent service conditions from exceeding limits Additionally physical damage to the regulator could break the pilot off the main valve causing personal injury and property damage due to escaping gas To avoid such injury and damage install the regulator in a safe location Installations The robust design of the Type EZR allows this regulator to be installed indoors or outdoors When installed outdoors the Type EZR does not require protective housing This regulator is designed to withstand the elements The powder paint coating protects against minor impacts abrasions and corrosion When installed indoors no remote venting is required except on the pilot spring case This regulator can also be installed in a pit that is subject to flooding by venting the pilot spring case above the maximum possible flood level so the pilot setting can be referenced at atmospheric pressure 1 Only personnel qualified through training and experience should install operate and maintain a regulator Before installation make sure that there is no damage to or debris in the regulator Also make sure that all tubing and piping are clean and unobstructed Note The Type EZR optional inlet strainer is intended to prevent occasional large particles from entering the main valve If the gas contains continuous particles upstream filtration is recommended When using an inlet strainer key 23 do not u
73. ted Check restrictor for clogging Check the main valve diaphragm for damage Check for a broken control line High lock up pressure with slow shutdown Check for debris on main valve or pilot seat High lock up pressure with fast shutdown Adjust restrictor to a higher setting Note If you were unable to solve your problem using this troubleshooting guide contact your local Sales Office Note When installing in a vertical orientation apply lubricant to the bottom of the inlet strainer or strainer shim key 23 to help hold parts in place while installing cage 2 Lightly lubricate and install the cage O ring key 8 3 Apply lubricant lightly to all O rings or the mating part before installing them 4 Install the cage key 7 and lightly lubricate and 5 Lubricate the top and bottom of the outer edge bead area of the diaphragm and place diaphragm and plug assembly key 9 on the cage key 7 For NPS 2 x 1 DN 50 x25 sizes the upper adaptor key 131 must be placed on the cage before the bonnet key 2 Lightly lubricate the upper adaptor O ring key 133 and then press the upper adaptor onto the cage 6 If travel indicator was removed lightly lubricate the travel indicator assembly threads and screw it into the bonnet key 2 See Travel Indicator Assembly install the bonnet O ring key 28 To assemble a 6 inch 152 mm cage with attached restrictor plate key 71 lightly lubricate the
74. ted Capacity Trim Pilot Diaphragm for Pressure Loading Quick Disconnect Union in Pilot Mounting 1 The pressure temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded 2 End connections for other than ASME standard can usually be provided contact your local Sales Office for assistance Pilot Type Descriptions Type 161AY Low pressure pilot with an outlet pressure range of 6 inches w c to 7 psig 15 mbar to 0 48 bar Pilot bleeds exhausts downstream through the sense control line Type 161AYM The monitor version of the Type 161AY pilot The pilot bleed exhaust is isolated from the sense control line This pilot is used in monitoring systems requiring an isolated pilot bleed exhaust Type 161EB High accuracy pilot with an outlet pressure range of 5 to 350 psig 0 34 to 24 1 bar Pilot bleeds exhausts downstream through the sense control line Type 161 monitor version of the Type 161EB pilot The pilot bleed exhaust is isolated from the sense control line This pilot is used in monitoring systems requiring an isolated pilot bleed exhaust Type PRX 120 Outlet pressure range of 14 5 to 435 psig 1 00 to 30 0 bar The Type PRX 120 can be used as the pilot on single stage pressure reducing regulators or as the monitor pilot or working pilot in wide open monitor systems The Type PRX has a double diaphragm which provides increas
75. ut NPS 2 DN 50 body NPS 3 4 6x 4 and 8 x 4 DN 80 100 150 x 100 and 200 x 100 bodies NPS 6 8x 6 12 x 6 DN 150 200 x 150 and 300 x 150 bodies NPS 8 DN 200 body 14 Top Plug O ring NPS 1 1 1 4 x 1 and 2x 1 DN 25 32x 25 and 50 x 25 bodies Nitrile NBR Fluorocarbon FKM NPS 2 DN 50 body Nitrile NBR Fluorocarbon FKM NPS 3 4 6x 4 and 8 x 4 DN 80 100 150 x 100 and 200 x 100 bodies Nitrile NBR Fluorocarbon FKM NPS 6 8 x 6 and 12x 6 DN 150 200 x 150 and 300 x 150 bodies Nitrile NBR Fluorocarbon FKM NPS 8 DN 200 body Nitrile NBR Fluorocarbon FKM Part Number 1F4636X0032 1N571406382 19B2407X012 18B2127X012 18B8513X012 18B5966X012 29B0763X012 29B5958X012 19B2399X012 GE12727X012 GE12501X012 19B2400X012 19B2401X012 19B0951X012 18B2126X012 18B5955X012 GE05504X012 T14184T0012 19B0781X012 19B0782X012 T14184T0012 18B8501X012 18B8502X012 19B0364X012 19B0366X012 19B0365X012 GE09393X012 GE09396X012 GE09397X012 18B2139X012 15A7591X012 19B0361X012 10C1267X012 13A1584X052 13A1584X022 13A1584X052 13A1584X022 10A3803X062 10A3803X032 T12050X0012 T12050X0022 T12050X0012 T12050X0022 ae 19 17 14 70 Ona 48 2142 B2617 2 Type EZR OO 18 16 EE 12 28 13 23 MAIN VALVE ASSEMBLY FOR NPS 1 1 1 4 x 1 2 x 1 2 3 4 6 x 4 AND 8 x 4 DN 25 32 x 25 50 x 25 50
76. valve 4 Table 9 gives the spread between normal distribution pressure and the minimum pressure at which the monitor pilot can be set to take over if the working regulator fails open 5 Table 4 shows the minimum differential pressure requirements across an individual regulator Because this application uses a first stage and second stage pressure reduction add the minimum differential pressure for each regulator together to establish the required pressure drop across the station Do not exceed maximum pilot ratings given in Table 3 Type EZR PRX Working Monitor On working monitor installations the working monitor regulator is always upstream and acts as a first stage regulator through the working pilot during normal operation This arrangement allows the working monitor s performance to be observed at all times Then should the second stage regulator fail open the working monitor regulator assumes the entire pressure reduction function of the system through the monitoring pilot Use the following procedure when installing a working monitor system As shown in Figure 5 run a supply pressure line use 3 8 NPT outer diameter tubing or larger from the upstream pipeline to the inlet Port S of the upstream Type PRX 120 pilot Install a Type 252 pilot supply filter upstream of the pilot if needed to keep the supply source from clogging the restrictor in the pilot Inspect and clean this filter regularly to make sure it has not bee
77. ype PRX Pilot Adjustment Recommendations PILOT TYPE Restrictor Screw 1 turn out counterclockwise from fully seated for most low flows 2 1 2 turns out for flows less than PRX 120 and PRX 120 AP Series 5 of maximum Damper Screw Fully out counterclockwise from seated for most low flows One turn out for flows less than 596 of maximum RECOMMENDED TYPE PRX RESTRICTOR AND DAMPER TYPE PRX RESTRICTOR AND DAMPER SCREW SCREW SETTINGS FOR LOW FLOW OPERATION SETTINGS TO AVOID AT LOW FLOW Fully seated clockwise or full out Restrictor Screw counterclockwise Damper Screw Full in clockwise Note Counterclockwise adjustment of the Type PRX restrictor screw will increase proportional band Adjustment of the restrictor screw will also cause a shift in setpoint Setpoint should be checked and adjusted following restrictor screw adjustment 3 Turn the restrictor screw an additional turn counterclockwise from fully seated This increases the flow path of the restrictor If additional tuning is required repeat step 2 Follow this method until desired performance is achieved Type 112 Restrictor Adjustment The Type 112 restrictor controls the regulator s proportional band droop and speed of response The restrictor can be used to fine tune the regulator for maximum performance by decreasing the restrictor setting for tighter control increased opening speed decreased closing speed or incr

Emerson EZR Series Pressure Reducing Regulator Instruction Manual

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