Emerson Y690A Instruction Manual
Contents
1. SPRING WIRE SPRING FREE TYPES OUTLET PRESSURE RANGES cca 1 DIAMETER LENGTH INCHES mm INCHES mm 1 to 2 5 inches w c 2 to 6 mbar 18558527052 2 Orange 0 072 1 83 3 78 96 0 and 2 5 to 7 inches w c 6 to 17 mbar 1B653827052 Red 0 085 2 16 3 62 92 0 5 to 10 inches w c 12 to 25 mbar 1B653827052 Red 0 085 2 16 3 62 92 0 7 to 16 inches w c 17 to 40 mbar 1B653927022 Unpainted 0 105 2 67 3 75 95 2 Y690AH and 15 inches w c to 1 2 psig 37 mbar to 0 08 bar 1B537027052 Yellow 0 114 2 90 4 31 109 Y690AHM 1 2 to 2 5 psig 0 08 to 0 17 bar 1B537127022 Light green 0 156 3 96 4 06 103 2 5 to 4 5 psig 0 17 to 0 31 bar 1B537227022 Light blue 0 187 4 75 3 94 100 4 5 to 7 psig 0 31 to 0 48 bar 1B537327052 Black 0 218 5 54 3 98 101 1 To achieve the published outlet pressure range the spring case must be installed pointing down 2 Do not use Fluorocarbon FKM diaphragm with this spring at diaphragm temperatures lower than 60 F 16 C TYPES 690 AND 690 2625 INLET PRESSURE EG OUTLET PRESSURE SLIDING PUSHER POST E ATMOSPHERIC PRESSURE VALVE STEM Y690A Series VALVE DISK LEVER Figure 2 Y690A Series Operational Schematic Principle of Operation Refer to Figure 2 When downstream demand decreases the pressure under the diaphragm increases This pressure overcomes the regulator setti2. 10687506992 1 430406382 106875 0082 106875 0032 13 1584 012 13 1584 022 13 1584 032 13 1584 042 18 3446 012 11 Y690A Series Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai China 201206 Tel 86 21 2892 9000 Europe Bologna Italy 40013 Tel 39 051 4190611 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore Singapore 128461 Tel 65 6777 8211 Europe Bologna Italy 40013 Tel 39 051 4190611 Gallardon France 28320 Tel 33 0 2 37 33 47 00 For further information visit www emersonprocess com regulators TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tel 1 763 241 3238 Europe Selmsdorf Germany 23923 Tel 49 0 38823 31 0 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 Inc a business of Emerson Process Management The contents of this publication are presented for informational purposes only and while e
3. All pressure between these shutoff valves is released through the open vent valve since Y690A Series remains open in response to the decreasing downstream pressure For a regulator with a control line the valve in the control line must also be closed and the diaphragm casing vented to the atmosphere Maintenance Regulator parts are subject to normal wear and must be inspected and replaced as necessary The frequency of inspection and replacement of parts depends upon the severity of service conditions or the requirements of local state and federal regulations Due to the care Emerson takes in meeting all manufacturing requirements heat treating dimensional tolerances etc use only replacement parts manufactured or furnished by Emerson To avoid personal injury property damage or equipment damage caused by sudden release of pressure or explosion of accumulated gas do not attempt any maintenance or disassembly without first isolating the regulator from system pressure and relieving all internal pressure from the regulator Body Area This procedure is for gaining access to the disk assembly orifice body O ring and pitot tube if used pressure must be released from the diaphragm casing and the disk assembly must be open before these steps can be performed Key numbers are referenced Y690A Series in Figures 5 6 and 7 1 Remove the cap screws key 2 Figure 7 and separate the diaphragm casing ke
4. Diaphragm Casing Ductile iron Stainless steel Orifice Stainless Steel standard 1 8 inch 3 2 mm 1 4 inch 6 4 mm 3 8 inch 9 5 mm 1 2 inch 13 mm 9 16 inch 14 mm 316 Stainless steel NACE 1 8 inch 3 2 mm 1 4 inch 6 4 mm 3 8 inch 9 5 mm 1 2 inch 13 mm 9 16 inch 14 mm Spring Types Y690A and Y690AM 1 to 2 5 inches w c 2 to 6 mbar Orange 2 5 to 7 inches w c 6 to 17 mbar Red Types Y690AH and Y690AHM 5 to 10 inches w c 12 to 25 mbar Red 7 to 16 inches w c 17 to 40 mbar Unpainted 15 inches w c to 1 2 psig 37 mbar to 0 08 bar Yellow 1 2 to 2 5 psig 0 08 to 0 17 bar Light Green 2 5 to 4 5 psig 0 17 to 0 31 bar Light Blue 4 5 to 7 psig 0 31 to 0 48 bar Black Diaphragm Head Stainless Steel Pusher Post 303 Stainless Steel standard 316 Stainless Steel NACE RY690AX0012 See Table 5 10856228992 18 3456 012 13 0109 042 13 0109 032 4783063 012 4783064 012 1 936735032 08042035032 08042235032 1 928835032 1 425235032 1 9367 0022 0 0420 0012 0 0422 0012 1 9288 0012 1 4252 0022 1 558527052 1 653827052 1 653827052 1 653927022 1 537027052 1 537127022 1 537227022 1 537327052 17 9723 032 27 5354 012 27 5354 022 10 11 12 13 21 22 23 Description Diaphragm Nitrile NBR Fluorocarbon FKM Nitrile NBR with Polytetrafluoroethylene PTFE Body Seal O Ring Nitrile NBR Fluo
5. can withstand the full inlet pressure a downstream relief valve is not required to protect the downstream side of the regulator unless full capacity relief is required Available type numbers are described in the Specifications section Specifications The Specifications section on page 2 provides the ratings and other specifications for the Y690A Series The following information is stamped on the regulator at the factory type number date of manufacture spring range orifice size maximum inlet pressure maximum operating outlet pressure and outlet pressure which may damage regulator parts 4 4 5 Process Management 0102587 012 Y690A Series Specifications Available Configurations Type Y690A Low pressure 1 to 7 inches w c 2 to 17 mbar direct operated regulator with internal registration requiring no downstream control line Type Y690AH High pressure 5 inches w c to 7 psig 12 mbar to 0 48 bar direct operated regulator with internal registration requiring no downstream control line Type Y690AM Low pressure 1 to 7 inches w c 2 to 17 mbar direct operated regulator The Type Y690AM has a blocked throat and O ring stem seal for use when external registration is required Lower diaphragm casing assembly is tapped for 1 2 NPT for control line connection Type Y690AHM High pressure 5 inches w c to 7 psig 12 mbar to 0 48 bar direct operated regulator with a blocked thr
6. from debris in the lines or from external sources A regulator should be inspected for damage periodically and after any overpressure condition beyond the emergency outlet pressure limit specified in the Specifications section page 2 Key numbers referenced in this section are shown in Figures 5 6 and 7 Note If the regulator is shipped mounted on another unit install that unit according to the appropriate instruction manual 1 Only personnel qualified through training and experience should install operate and maintain regulator For a regulator that is shipped separately make sure there is no damage to or foreign material in the regulator Also ensure that all tubing and piping are free of debris The regulator may be installed any position as long as the flow through the body is in the direction indicated by the arrow on the body Normal installation is with the spring case barrel vertical above or below the diaphragm case However when using a Type Y690A or Y690AM regulator for proper operation to achieve the published capacities the spring case barrel should be installed pointed down as shown in Figure 1 For complete actuator drainage of Types Y690AH 690 the regulator should be installed as shown in Figure 3 If continuous operation of the system is required during inspection or maintenance install a three valve bypass around the regulator A regulator may vent some gas to the atm
7. 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 spring holder screw key 38 from the pusher post key 8 Inspect the pusher post key 8 and the post seal O ring key 48 replace if required Remove hex nut key 21 to separate the diaphragm key 10 and attached parts To replace the lever assembly key 16 remove the machine screws key 17 To replace the 9 10 11 12 13 14 stem key 14 access the stem seal O ring key 30 Types Y690AM and Y690AHM only perform Body Area Maintenance procedure steps 1 and 4 Then pull the stem out of the lower diaphragm casing key 4 Install the stem key 14 into the diaphragm casing key 4 and perform Body Area Maintenance procedure steps 6 through 9 as necessary Install the lever assembly key 16 into the stem key 14 and secure the lever assembly with the machine screws key 17 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 Torque the hex nut 9 to 11 foot pounds 12 to 15 Nem to secure parts to the pusher post connector key 40 Overpressure Spring key 39 Spring Holder key 37 Machine Screw key 38 Insert and tighten the mac
8. 9733 082 Stainless steel flanges CL300 RF 17 9733 092 17 9733 102 16 25 40 1789733 112 1789733 122 CL150 RF 17 9733 012 17 9733 022 CL300 RF 17B9733X032 1789733 042 Carbon steel flanges PN 16 25 40 17 9733 052 17 9733 062 1 All flanges welded except Hastelloy Weld on flange dimension is 14 356 mm face to face Recommended spare part Y690A Series 5 19 40 49 48 Ala LT WY 2272471 2 FAL 7 7 D D N Set LEVIS f 22227 XZ 5 3624277 88 39 48 83 89 208 6 4785832 Figure 5 Y690A Y690AH Regulator Assembly Y690A Series DDOS AA 47B5834 896986 6 fie 4 EF 4 oe 4 NY ZT aes gt a y A N N TERE DA 20 OOG 4785834 24 25 26 27 30 31 32 Figure 7 Description Diaphragm Case Cap Screw 8 required Ductile Iron Stainless Steel Closing Cap Gasket Neoprene CR Vent Assembly Spring Case Down Type Y602 1 Spring Case Up Type Y602 11 Spring Case Sideways Type Y602 12
9. FICIENTS ORIFICE SIZE FOR RELIEF VALVE SIZING IEC SIZING COEFFICIENTS INCHES mm 1 X Fp Fi 1 8 3 2 0 35 12 3 1 4 6 4 1 43 50 3 8 9 5 3 14 110 35 0 79 0 78 0 50 0 89 1 2 13 5 71 200 9 16 14 7 14 250 Y690A Series HORIZONTAL PIPELINE TYPE Y690AH INLET PRESSURE OUTLET PRESSURE ATMOSPHERIC PRESSURE DOWNSTREAM CONTROL PRESSURE Wi HORIZONTAL PIPELINE POINTED DOWN VENT POINTED DOWN DOWNSTREAM CONTROL LINE Cea TYPE Y690AHM Figure 3 Types Y690AH and Y690AHM Actuator Casing Drainage Schematics Installation Personal injury property damage equipment damage or leakage due to escaping gas or bursting of pressure containing parts may result if this regulator is overpressured or installed where service conditions could exceed the limits given in the Specifications section 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 required by the appropriate code regulation or standard to prevent service conditions from exceeding those limits Additionally physical damage to the regulator could cause personal injury or property damage due to escaping gas To avoid such injury or damage install the regulator in a safe and well ventilated location Regulator operation within ratings does not preclude the possibility of damage
10. Instruction Manual Form 5463 February 2009 Y690A Series Y690A Series Pressure Reducing Regulators Fisher regulators must be installed operated and maintained in accordance with federal state and local codes rules and regulations and Fisher 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 Introduction Scope of Manual This Instruction Manual provides instruction for installation startup maintenance and parts list for the Y690A Series pressure reducing regulators Instructions and parts lists for other equipment used with these regulators are found in separate manuals Description The Y690A Series self contained spring loaded regulators Figure 1 provide economical pressure reducing control in a variety of commercial and industrial applications The Y690A Series pressure reducing regulator Figure 1 is ideally suited to control gas supply to in plant processing equipment The rugged casings and sliding pusher post design withstands the full 150 psig 10 3 bar inlet pressure www emersonprocess com regulators 7293 Figure 1 Types Y690A Y690AH Direct Operated Pressure Reducing Regulators at both the inlet and outlet connections Because these regulators
11. Pipe Plug Types Y690A and Y690AH only Steel Stainless Steel Stem Seal O ring Types Y690AM and Y690AHM only Nitrile NBR Fluorocarbon FKM Perfluoroelastomer FFKM Ethylenepropylene EPDM Throat Seal O ring Types Y690AM and Y690AHM only Nitrile NBR Fluorocarbon FKM Perfluoroelastomer FFKM Ethylenepropylene EPDM Pitot Tube Types Y690A and Y690AH only Recommended spare part Y690A Series Y690A Series Regulator Outer Assembly Part Number 1A352524052 18 3455 012 1 753306992 17 6570 012 17 5515 012 27 5516 012 1 369224492 1 369235072 1H2926G0012 1H2926X0022 1H2926X0042 1 2926 0012 10682506992 106825 0012 106825 0032 106825 0042 17 4479 012 33 33 35 37 38 39 40 48 49 50 Description Pitot Tube Screw Types Y690A and Y690AH 4 required Stainless Steel Machine Screw Types Y690AM and Y690AHM 1 required Stainless Steel Adjusting Screw Spring Holder Machine Screw Overpressure Spring Pusher Post Connector 303 Stainless Steel standard 316 Stainless Steel NACE Post Seal O ring Nitrile NBR Fluorocarbon FKM Perfluoroelastomer FFKM Ethylenepropylene EPDM Connector Seal O ring Nitrile NBR Fluorocarbon FKM Perfluoroelastomer FFKM Ethylenepropylene EPDM Backup Ring Stainless Steel Part Number 19A7151X022 18A0703X022 1B537944012 1R982025072 10B6189X022 1B541327022 27 7982 012 27 7982 022
12. access to the spring diaphragm lever assembly and stem All pressure must be released from the diaphragm casing before these steps can be performed To Change the Control Spring Note Any remote control drive unit used with a Y690A Series regulator must be removed from the spring case key 3 BODY SEAL O RING KEY 11 2 ___________ 2 BACKUP RING KEY 50 BODY KEY 1 Figure 4 Expanded View of the Body Area Showing the O ring and Backup Ring Placement before these steps can be performed Remove the closing cap key 22 and turn the adjusting screw key 35 counterclockwise to remove all the compression from the control spring key 6 Change the control spring key 6 to match the desired spring range Replace the adjusting screw key 35 Install a replacement closing cap gasket key 25 if necessary and reinstall the closing cap key 22 If the spring range was changed be sure to change the stamped spring range on the nameplate To Disassemble and Reassemble Diaphragm Parts Key numbers are referenced in Figures 5 6 and 7 1 Remove the closing cap key 22 and turn the adjusting screw key 35 counterclockwise to remove the adjusting screw and the control spring key 6 Remove the spring case hex nuts key 23 not shown cap screws key 24 and spring case assembly key 3 Remove the diaphragm key 10 plus attached parts by tilting them so
13. hine screw key 38 with a torque of 1 to 3 foot pounds 1 to 4 Nem to secure the diaphragm parts to the pusher post key 8 Install the assembled parts in the diaphragm casing key 4 Make sure that 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 Install the spring case assembly key 3 on the diaphragm casing key 4 so that the vent assembly key 26 is correctly oriented and secure with the cap screws key 24 Figure 7 and hex nuts key 23 not shown fingertight only Insert the control spring key 6 into the spring case key 3 followed by the 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 finish tightening the cap screws key 24 and hex nuts key 23 from 14 to 17 foot pounds 19 to 23 Nem of torque To Y690A Series adjust the outlet pressure refer to the Startup and Adjustment section 15 Install a replacement closing cap gasket key 25 if necessary and then install the closing cap key 22 To Convert Constructions The Type Y690A to the Type Y690AM New parts required keys 30 31 and 33 1 Remove pipe plug key 27 Figure 5 from the diaphragm casing key 4 2 Refer to steps 1 and 5 in the Body Area Maintenance section to remove the four pitot tube screws
14. key 33 and pitot tube key 32 Figure 5 3 Insert the throat seal O ring key 31 Figure 6 and one machine screw key 33 4 Insert the stem seal O ring key 30 Figure 6 by following steps 1 through 6 of To Disassemble and Reassemble Diaphragm Parts in the Diaphragm and Spring Case Area Maintenance Section The Type Y690AM to the Type Y690A New parts required keys 27 32 and 33 1 Insert pipe plug key 27 Figure 5 in the diaphragm casing key 4 2 Follow steps 1 through 6 of To Disassemble and Reassemble Diaphragm Parts in the Diaphragm and Spring Case Area Maintenance Section to remove one machine screw key 33 Figure 6 the stem seal O ring key 30 Figure 6 and the throat seal O ring key 31 Figure 6 blocking the registration port 3 Insert pitot tube key 32 and four pitot tube screws key 33 as outlined in step 5 of the Body Area Maintenance section Parts Ordering When corresponding with tyour local Sales Office about this regulator include the type number and all other pertinent information stamped on the nameplate Specify the eleven character part number when ordering new parts from the following parts list Y690A Series Parts List Key Description 6 7 8 Spare Parts Kit Included keys 10 11 12 13 15 30 31 33 48 and 49 Body Cap Screw Ductile Iron Stainless Steel Spring Case Assembly Ductile iron Stainless steel Lower
15. ng which is set by a spring Through the action of the sliding pusher post assembly lever and valve OVERPRESSURE SPRING stem the valve disk moves closer to the orifice and reduces gas flow If demand downstream increases pressure under the diaphragm decreases Spring force pushes the pusher post assembly downward the Table 3 Maximum Operating Inlet Pressures valve disk moves away from the orifice and the gas flow increases OUTLET PRESSURE RANGE PSIG bar 1 8 3 2 150 10 3 150 10 3 150 10 3 150 10 3 150 10 3 150 10 3 ORIFICE Types Y690A and Y690AM Types Y690AH and Y690AHM SIZE 1to 2 5 10 5 to 7 to 1 2 to 2 5 2 5 to 4 5 Psig 4 5 107 Psig INCHES 2 5 w c 7 Inches w c 10 Inches w c 16 Inches w c 37 mbar 0 08 to 0 17 to 0 31 to 2 to 6 mbar 6 to 17 mbar 12 to 25 mbar 17 to 40 mbar 0 08 bar 0 17 bar 0 31 bar 0 48 bar 150 10 3 150 10 3 1 4 6 4 40 2 8 60 4 1 75 5 2 75 5 2 75 5 2 150 10 3 150 10 3 150 10 3 3 8 9 5 20 1 4 20 1 4 35 2 4 35 2 4 35 2 4 60 4 1 60 4 1 60 4 1 1 2 13 10 0 69 10 0 69 8 0 55 8 0 55 8 0 55 10 0 69 12 0 83 12 0 83 9 16 14 5 0 34 5 0 34 5 0 34 5 0 34 5 0 34 6 0 41 8 0 55 8 0 55 Table 4 Flow and Sizing Coefficients WIDE OPEN COEF
16. njury property damage or equipment damage caused by bursting of pressure containing parts or explosion of accumulated gas never adjust the control spring to produce an outlet pressure higher than the upper limit of the outlet pressure range for that particular spring If the desired outlet pressure is not within the range of the control spring install a spring of the proper range according to the Diaphragm and Spring Case Area section of the maintenance procedure Y690A Series regulators can be placed in operation by slowly introducing inlet pressure The regulator takes control when downstream pressure is established The regulator has been adjusted at the factory to provide approximately the reduced pressure requested on the order With a spring loaded regulator the pressure setting may be adjusted to a value within the Y690A Series spring range shown in Table 3 To adjust the pressure setting perform the following steps key numbers are referenced in Figures 5 6 and 7 1 Remove the closing cap key 22 2 Use a 1 inch 25 mm hex rod or flat screwdriver to turn the adjusting screw key 35 either clockwise to increase outlet pressure or counterclockwise to decrease outlet pressure Shutdown First close the nearest upstream shutoff valve and then close the nearest downstream shutoff valve to vent the regulator properly Next open the vent valve between the regulator and the downstream shutoff valve nearest to it
17. oat and O ring stem seal for use when external registration is required Lower diaphragm casing assembly is tapped for 1 2 NPT for control line connection Body Sizes and End Connection Styles See Table 1 Maximum Allowable Inlet Pressure 150 psig 10 3 bar Maximum Operating Inlet Pressure See Table 3 Maximum Outlet Casing Pressure 150 psig 10 3 bar Maximum Emergency Outlet Pressure to Avoid Internal Parts Damage 150 psig 10 3 bar Outlet Pressure Ranges See Table 2 Orifice Sizes and Flow Sizing Coefficients See Table 4 Regulator Temperature Capabilities With Nitrile NBR 20 to 180 F 29 to 82 C With Fluorocarbon FKM 40 to 300 F 4 to 149 C With Ethylenepropylene EPDM 20 to 275 F 29 to 135 C With Perfluoroelastomer FFKM 20 to 300 F 29 to 149 C Pressure Registrations Types Y690A and Y690AH Internal Types Y690AM and Y690AHM External Spring Case Connection 1 4 NPT Diaphragm Case Connection 1 2 NPT Approximate Weight 19 pounds 9 kg 1 The pressure temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded Table 1 Body Sizes and End Connection Styles BODY MATERIAL 1 All flanges are welded BODY SIZE NPS DN Ductile Iron Stainless Steel 3 4 or 1 20 or 25 NPT NPT CL150 RF CL300 RF or PN 16 25 40 Table 2 Outlet Pressure Ranges
18. osphere 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 any hazardous area The vent line or stack opening must be protected against condensation or clogging 3 To keep the spring case vent from being plugged or the spring case from collecting moisture corrosive chemicals or other foreign material point the vent down or otherwise protect it The diaphragm casing key 4 may be rotated in order to obtain desired positioning 4 To remotely vent the regulator remove the vent key 26 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 into the remote end of the vent pipe 5 The Types Y690AM and Y690AHM require a downstream control line Be sure to install the control line before putting the regulator into operation The control line pipe should be at least 1 2 13 mm in diameter and connected to a straight section of outlet piping 5 to 10 pipe diameters downstream of the regulator If turbulence exists a hand valve can be installed in a straight section of the control line This hand valve can be throttled down to dampen out pulsations which may cause instability or cycling of the regulator Startup and Adjustment To avoid personal i
19. rocarbon FKM Perfluoroelastomer FFKM Ethylenepropylene EPDM Insert Seal Nitrile NBR Fluorocarbon FKM Perfluoroelastomer FFKM Ethylenepropylene EPDM Disk Assembly 303 Stainless Steel with Nitrile NBR Fluorocarbon FKM Ethylenepropylene EPDM 316 Stainless Steel with Nitrile NBR Fluorocarbon FKM Perfluoroelastomer FFKM Ethylenepropylene EPDM Stem 303 Stainless steel standard 316 Stainless steel NACE Cotter Pin Stainless Steel Lever Assembly Stainless steel Machine Screw 2 required Stainless Steel Guide Insert Stainless Steel Hex Nut Closing Cap Plastic standard Steel Stainless Steel Hex Nut 8 required Ductile Iron Stainless Steel Table 5 Body Materials and Part Numbers Body key 1 Part Number 37 9720 012 23 0101 052 34 4375 012 1 993806992 1 9938 0012 1 9938 0042 1 9938 0022 18885506992 1 8855 0012 1 8855 0062 1 8855 0022 1 4248 0202 1 4248 0052 1 4248 0302 1 4248 0252 1 4248 0192 1 4248 0332 1 4248 0152 17 3423 012 17 3423 022 1 866537022 18537500082 1947 151 022 27 4028 022 1A354024122 T13524T0062 1E422724092 1E422735072 1A352724122 1 9440 0352 BODY MATERIAL END CONNECTION STYLE NPS 3 4 DN 20 Body NPS 1 DN 25 Body Ductile iron NPT 1785351 012 1785351 022 1785351 032 1785351 042 Stainless steel with CL150 RF 17 9733 072 178
20. very 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 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 product remains solely with the purchaser Emerson Process Management Regulator Technologies Inc 1999 2009 All Rights Reserved
21. y 4 from the body key 1 Remove and inspect the body seal O ring key 11 and the backup ring key 50 See Figure 4 Inspect and replace the orifice key 5 if necessary Protect the orifice seating surface during disassembly and assembly 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 Nem of torque Remove the cotter pin key 15 to replace the disk assembly key 13 or to inspect the throat seal O ring key 31 Figure 6 on the Types Y690AM and Y690AHM To replace the pitot tube key 32 Figure 5 on the Types Y690A and Y690AH remove the pitot tube screws key 33 install the new pitot tube and secure with the pitot tube screws key 33 Position the pitot tube so that it points into the outlet of the body by rotating the guide insert key 18 To inspect the throat seal O ring key 31 Figure 6 on the Types Y690AM and Y690AHM remove the machine screw key 33 Figure 6 Replace if necessary and reassemble Install the disk assembly key 13 and secure it with the cotter pin key 15 Place back up ring key 50 into the body key 1 Then place the body seal O ring key 11 into the body See Figure 4 Place the diaphragm casing key 4 on the body key 1 Secure the diaphragm casing to the body with the cap screws key 2 Figure 7 Diaphragm and Spring Case Area This procedure is for gaining
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