Emerson EZR Series Pressure Reducing Regulator Installation Guide
Contents
1. Parts List Kev Description 1 Bodv Cp 2 Cap Screw 3 Spring Case Assembly 4 Lower Casing 6 Orifice T Diaphragm Head 8 Pusher Post 10 Diaphragm 11 Body Seal 12 Insert Seal 13 Disk Assembly 14 Stem 15 Cotter Pin 16 Lever Assembly 17 Machine Screws 18 Guide Insert 21 Hex Nut 22 Closing Cap 23 Hex Nut 24 Cap Screw 25 Closing Cap 26 Vent Assembly 27 Pipe Plug 26 D TE 47 30 Stem Seal O Ring 31 Throat Seal bil 146 33 Machine Screw 5 L 35 Adjusting Screw 24 37 Spring Holder TYPE 161AY PILOT NA 38 Machine Screw i 39 Overpressure Spring 40 Pusher Post Connector 46 Nameplate 47 Drive Screw Q Q 48 Post Seal 49 Connector Seal 50 Backup Ring 55 Restriction 56 Baffle Plate B2632 mnt MACAN ON NJ ti ATA ATA ATA I A ALI Fl 4 EJ I il J hl ol Figure 3 Types 161AY and 161AVM Assemblies Type EZR Type 112 Restrictor Parts List Key Description SA er 14 Pipe Plug Ay ERY 21 Body REET 22 Grove Valve VEY 23 Retainer AEV 24 Grove Valve O Ring A Figure 4 Type 112 Assembly Type 252 Filter Parts List Key Description A NS 7 es x Gui az f NT 5 a ir i ke 4 GF SX Gan LIRIS PSS PESES LTS Filter Head Assembly 1 iiaii LA 2 Filter Body i HA Y 3 Lower Seat DA WW 4 Filter Cartridge 5 O Ring2. Table 2 Outlet Control Pressure Ranges relieving or pressure limiting devices as required g OF Pre g oe q PILOT TYPE OUTLET CONTROL PRESSURE RANGE by the appropriate code regulation or standard to prevent service conditions from exceeding limits Toto ar mbat 16 0 taq We Ni 461 AY or 0 034 to 0 083 bar 0 5 to 1 2 psig Additionally physical damage to the regulator could 461 AYM 0 083 to 0 173 bar 1 2 to 2 5 psig result in personal injury and property damage due eer ed ree a to escaping fluid To avoid such injury and damage Il th i B fel i 0 34 to 1 03 bar 5 to 15 psig install the regulator in a safe location 0 69 to 2 76 bar 10 to 40 psig 161EB or 2 07 to 5 17 bar 30 to 75 psig Clean out all pipelines before installation of the regulator 161EBM ae ka a on ee es ea YO tO 13 0 Dar O psig and check to be sure the regulator has not been damaged or 13 8 to 24 1 bar 200 to 350 psig has collected foreign material during shipping For NPT TNA 17 2 t0 31 0 bar 250 to 450 psig bodies apply pipe compound to the male pipe threads For 161EBHM flanged bodies use suitable line gaskets and approved 1 The maximum operating pressure for fluoroelastomer pilot diaphragms is limited to piping and bolting practices Install the regulator in any 31 0 bar 450 psig position desired unless otherwise specified but be sure flow through the body is in the direction indicated by the arrow on the body Table 3 Pilot Pressu
3. Maximum Differential Pressures See tables 4 and 6 Proof Test Pressure All Pressure Retaining Components have been proof tested per Directive 97 23 EC Annex 1 Section 7 4 1 The pressure temperature limits in this installation guide and any applicable standard or code limitation should not be exceeded Type EZR Temperature Capabilities See table 5 Pilot Type Descriptions Type 161AY Low pressure pilot with an outlet pressure range from 15 mbar to 0 48 bar 6 inches w c to 7 psig 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 from 0 34 to 24 2 bar 5 to 350 psig Pilot bleeds exhausts downstream through the sense control line Type 161EBM The 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 161EBH The high pressure version of the Type 161EB pilot with an outlet pressure range from 17 2 to 48 3 bar 250 to 700 psig Type 161EBHM The high pressure version of the Type 161EBM pilot with an outlet pressure range from 17 2 to 48 3 bar 250 to 700 psig Install
4. OPTIONAL DRAIN VALVE 6 Pipe Plug T Drain Valve Optional 8 Upper Seat STANDARD BODY 7 HDS A qe mil mill A7013 wa EXTENDED BODY Figure 5 Type 252 Assembly Fisher Controls International Inc 2002 All Rights Reserved Fisher and Fisher Regulators are marks owned by Fisher Controls International Inc The Emerson logo is a trade mark and service mark of Emerson Electric Co All other marks are the property of their respective owners 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 For information contact Fisher Controls International Within USA 800 588 5853 Outside USA 972 542 0132 D Italy 39 051 4190 606 FISHER Singapore 65 770 8320 Mexico 52 57 28 0888 Printed in U S A www FISHERregulators com
5. bw INCH PRESSURE bar PSIG Type EZR MAXIMUM EMERGENCY INLET AND DIFFERENTIAL PRESSURES2 bar d PSID MAXIMUM OPERATING DIFFERENTIAL PRESSURE bar PSIG White Yellow 6 9 100 6 9 100 6 9 100 Light Blue Green 34 5 500 34 5 500 51 7 750 Black Red All 72 4 1050 55 2 800 72 4 1050 DIAPHRAGM BODY SIZE MAXIMUM OPERATING INLET MATERIAL DN INCH PRESSURE bar PSIG 17E67 Nitrile 17E68 Nitrile MAXIMUM EMERGENCY INLET AND DIFFERENTIAL PRESSURES bar d PSID 51 7 MAXIMUM OPERATING DIFFERENTIAL PRESSURE bar PSIG 34 5 5 25 50 1 2 2x1 31 7 460 80 100 150 200 x 150 24 8 360 20 7 300 34 5 500 3 4 6 8 x6 DIDA 400 IET 460 17E88 ETT a 51 7 i 34 5 a 51 7 1 The red and black springs are only recommended for inlet pressures over 34 5 bar 500 psig 2 For differential pressures above 27 6 bar d 400 psid fluoroelastomer diaphragm temperatures are limited to 66 C 150 F When using an inlet strainer key 23 do not use the shim key 23 and vise versa 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 c
6. 1 3 4 AND 6 INCH BODY SIZES OROGRORORORORG oe B2617_2 TOP PLUG KEY 5 O RING KEY 14 O RING KEY 70 DIAPHRAGM KEY 9 BOTTOM PLUG KEY 11 O RING KEY 10 LOCK WASHER KEY 130 SOCKET HEAD SCREW KEY 129 DN 25 AND 50 X 25 1 AND 2 X 1 INCH DIAPHRAGM ASSEMBLY EJ g LA F TA Pali 4 N Na EEI tad MAIN VALVE ASSEMBLV 8 3 B e 8 B 8 8 8 o 2 a B B2617 C RESTRICTED TRIM 8 X 6 INCH RESTRICTOR PLATE O RING PLACEMENT Figure 1 Type EZR Main Valve Assembly 161EB Series FAR SENSE CONTROL Parts List N PORT Noh Key Description N N 1 Bodv Assembly E l ja TG vee Ab ody Plu al N SS LSS 4 Valve Plug UL EKZ PZA ZA l a Cl nu 6 Plug Spring fi ok itt SENSE SNS vasara epee vil EXHAUST 7 Diaphragm Assembly NN H HEER PORT 8 Control Spring Seat 31B5012 A ee 9 Control Spring 10 Diaphragm Limiter 11 Adjusting Screw EEE YOY OY OQ amp 12 Locknut 13 Machine Screw 8 14 Pipe Plug Q 15 Body Plug O Ring a 1 16 Closing Cap i nn af I MIT 17 Closing Cap Gasket SAR LM CGN YO 2 NN GSN PANNE 18 Y602 12 Vent Assembly aay SS O CH ANNN KA 15 19 Stem Guide Seal Assembly SSN Pa SNAS EELNES MI EEN SS Sess V V LI ki AN 30B4395 E a 32B0707 B TVPE 161EB PILOT TVPE 161EBH PILOT Figure 2 161EB Series Assemblies Tvpes 161AV and 161AVM
7. Installation Guide English May 2002 Introduction This installation guide provides instructions for installation startup and adjustment To receive a copy of the instruction manual contact your local Fisher Sales Office or Sales Representative or view a copy at www FISHERregulators com For further information refer to Type EZR Instruction Manual form 5468 D102600X012 The Type EZR pilot operated pressure reducing regula tors are used for natural gas air or other non corrosive gas applications and include a Type 112 restrictor and a 161EB Series or 161AY Series pilot For applications that have high pressure drops using a Type 161AYM 161EBM or 161EBHM monitor pilot will increase the ac curacy of the regulator P E D Categories This product may be used as a safety accessory with pressure equipment in the following Pressure Equipment Directive 97 23 EC categories It may also be used out side of the Pressure Equipment Directive using sound engineering practice SEP per table below FLUID PRODUCT SIZE CATEGORIES GROUP EET DN 50 50 x 25 80 100 150 200 x 150 IMTN 1 and 300 x 150 2 2 x 1 3 4 6 8 x 6 inch Specifications Main Valve Body Sizes End Connection Styles and Structural Design Ratings See table 1 Maximum Inlet Pressures and Pressure Drops Main Valve See table 6 Pilots See table 3 Restrictor 103 bar 1500 psig Outlet Control Pressure Ranges see table 2 Minimum and
8. ation Only qualified personnel should install or service a regulator Regulators should be installed operated and maintained in accordance with international and applicable codes and regulations and Fisher instructions If the regulator vents fluid or a leak develops in the system it indicates that service is required Failure to take the regulator out of service immediately may create a hazardous condition Personal injury equipment damage or leakage due to escaping fluid 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 the Specifications section or where conditions exceed any ratings of the adjacent piping or piping connections Table 1 Main Valve Body Sizes End Connection Styles and Body Ratings MAIN VALVE BODY SIZE MAIN VALVE STRUCTURAL DESIGN RATING PROOF TEST PRESSURE DN INCH BODY MATERIAL PND CONNECTON STYLES bar psig bar PSIG 25 50 50 x 25 80 100 150 200 x 150 1 2x1 2 3 4 6 8 x6 WCB Steel NPT or SWE DN 25 50 50 x 25 only 102 1480 153 2220 ANSI Class 150RF 19 6 285 29 5 428 ANSI Class 300RF 51 0 740 76 5 1110 ANSI Class 600RF or BWE 102 1480 153 2220 Patent Numbers 5 964 446 and 6 102 071 S Additional Patents Pending www FISHERregulators com Process Management EMERSON D102600XENG Type EZR To avoid such injury or damage provide pressure
9. heck the regulator for shutoff and leakage to atmosphere Note It is important that the regulator be installed so that the vent hole in the spring case is unobstructed at all times For outdoor installations the regulator should be located away from vehicular traffic and positioned so that water ice and other foreign materials cannot enter the spring case through the vent Avoid placing the regulator beneath eaves or downspouts and be sure it is above the probable snow level Overpressure Protection The recommended pressure limitations are stamped on the regulator nameplate Some type of overpressure protection is needed if the actual inlet pressure exceeds the maximum operating outlet pressure rating Overpressure protection should also be provided if the regulator inlet pressure is greater than the safe working pressure of the downstream equipment Regulator operation below the maximum pressure limitations does not preclude the possibility of damage from external sources or debris in the line The regulator should be inspected for damage after any overpressure condition Startup The regulator is factory set at approximately the midpoint of the spring range or the pressure requested so an initial adjustment may be required to give the desired results With proper installation completed and relief valves properly adjusted slowly open the upstream and downstream shutoff valves Adjustment To change the outlet pressure
10. re Ratings MAXIMUM EMERGENCY OUT MAXIMUM BLEED MAXIMUM SENSE vee reece LET PRESSURE OR MAXIMUM sija EXHAUST PRESSURE CONTROL PRESSURE bar PSIG EMERGENCY SENSE bar PSIG FOR MONITOR PILOTS FOR MONITOR PILOTS PRESSURE bar PSIG bar PSIG bar PSIG 100 1500 a7 1200 szo ara L str 50 wsus waa o oo O o 103 1500 araa sf 108 1500 aoo 130 1500 ara wew a7 1 Maximum pressure to prevent the casings from bursting during abnormal operation leaking to atmosphere and internal parts damage may occur Table 4 Main Valve Minimum Differential Pressures MSIZE DN INCH NUMBER AND COLOR 30 Trim 25 50 x25 17 24 1 2x4 28 41 48 70 17 24 50 2 13 19 80 3 18 26 18 26 2 8 88 2 8 88 14 20 100 4 17 24 14 20 17 24 2 1 80 0 69 10 09 13 toe a 10 15 14 20 14 20 17 4 17 24 1 The white and yellow springs are only recommended for inlet pressures under 100 psig 6 9 bar 2 The red and black springs are only recommended for inlet pressures over 500 psig 34 5 bar Table 5 Temperature Capabilities 17E67 NITRILE NBR 17E68 NITRILE NBR 17E97 NITRILE NBR 17E88 FLUOROELASTOMER FKM 0 to 150 F 17 to 66 C 20 to 150 F 28 to 66 C 0 to 150 F 17 to 66 C 0 to 250 F 17 to 121 C Table 6 Main Valve Maximum Pressures BODY SIZE MAXIMUM OPERATING INLET MAIN SPRING COLOR
11. remove the closing cap or loosen the locknut and turn the adjusting screw clockwise to increase outlet pressure or counterclockwise to decrease pressure Monitor the outlet pressure with a test gauge during the adjustment Replace the closing cap or tighten the locknut to maintain the desired setting Taking Out of Service Shutdown To avoid personal injury resulting from sudden release of pressure isolate the regulator from all pressure before attempting disassembly 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 EZR markings on the top Q Type EZR Main Valve Parts List Key Description 1 Valve Body 2 Bonnet Assembly 4 Hex Nut 5 Top Plug 6 O Ring 7 Cage 8 Cage O Ring 9 Diaphragm 10 O Ring 11 Bottom Plug 12 Main Spring 13 Flanged Locknut 14 Top Plug O Ring 15 Stem 16 Backup Ring 17 Upper Spring Seat 18 O Ring 19 Indicator Fitting 20 Indicator Washer 21 Indicator Cover 22 Indicator Protector 23 Inlet Strainer 28 O Ring 63 Pilot Supply Pipe Plug 64 Bonnet Pipe Plug 66 O Ring 67 O Ring 70 O Ring 71 Restrictor Plate 72 E Ring 79 Washer 83 Machine Screw 121 O Ring 126 Cap Screw 129 Socket Head Screw 130 Lock Washer AY Met N B2517_B B2617_E DN 25 5 x 25 80 100 150 1 2 x
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