Emerson Y696VR Instruction Manual
Contents
1. Key Description Part Number Key Description Part Number 1 Spring 13 Valve Stem 1 to 3 inches w c 2 to 7 mbar 1D892527022 Stainless steel NACE 1A630935032 1 1 2 to 5 inches w c 4 to 12 mbar 1D7654000A2 Hastelloy C 1A6309X0022 3 to 8 inches w c 7 to 20 mbar 0B0197000A2 14 Cotter Pin 8 to 16 inches w c 20 to 40 mbar 1B766627062 Stainless steel Standard 14866537022 16 to 32 inches w c 40 to 80 mbar 1B883327022 Stainless steel NACE 1A8665X0032 0 25 to 3 psig 17 to 207 mbar 14630627022 Hastelloy C 14B7990X012 2 Adjusting Nut 1A201914012 15 O Ring Stem Seal for Type Y696VRM only 3 Closing Cap 1L928308012 Nitrile NBR 1E472706992 4 Lower Spring Seat 1U226019012 Fluorocarbon FKM 1N430406382 5 Diaphragm Ethylenepropylene EPR 1D6875X0032 Nitrile NBR 0R032502052 Perfluoroelastomer FFKM 1D6875X0082 Fluorocarbon FKM 0R0325X0032 16 Body Gasket 14348004032 Ethylenepropylene EPR 0R0325X0062 17 Split Ring 0Y095828982 Silicone 0R0325X0082 19 Union Nut 6 Upper Diaphragm Head 0B006628982 Cast iron body 02017619062 7 Diaphragm Head Gasket 1L143403022 WCC steel body 02017624092 8 Pusher Post CF8M Stainless steel body 0Z0176X0012 Stainless steel 0Y096435072 Hastelloy C 0Z0176X0012 Hastelloy C 0Y0964X0012 20 Diaphragm Casing 9 Lever Assembly Type Y696VR Stainless steel 1E3409X0052 Cast iron 3B973519012 Hastelloy C 1E3409X0022 WCC Steel 11 Machine Screw 2 Required Standard 3F191622012 Stainless ste2. 135 C Perfluoroelastomer FFKM 0 to 300 F 18 to 149 C Silicone VMQ 40 to 400 F 40 to 204 C Approximate Weights Cast Iron 45 pounds 20 kg Steel Stainless Steel or Hastelloy C 57 pounds 26 kg 1 End connections for other than U S standards can usually be provided consult the local Sales Office 2 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 CONSTRUCTION MATERIAL AND END CONNECTION STYLE Steel or Stainless Steel Hastelloy C NPT SWE ANSI CL150 RF CL300 RF or PN 16 25 40 ANSI CL150 RF BODY SIZE NPS DN Cast Iron 1 1 2 40 2 50 NPT 1 All flanges are welded on to the body and have a face to face dimension of 14 inches 356 mm Installation Personal injury property damage equipment damage or leakage due to escaping gas or bursting of pressure containing parts may result if this equipment is overpressured or is installed where service conditions could exceed the limits given in specifications 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 t
3. 56 Vent Assembly not shown Y602 11 17A5515X012 14626314012 71 Pipe Bushing not shown 1A3424X0042 14499724122 95 NACE Tag not shown 19A6034X012 96 Tag Wire not shown 1U7581X0022 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 EIk 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 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 Proc
4. key 37 If the only further maintenance is to replace the diaphragm parts skip to step 8 To replace the lever assembly key 9 remove the machine screws key 11 To replace the valve stem key 13 pull it out of the diaphragm casing key 20 and install a new valve stem by pushing it into the diaphragm casing Install the lever assembly key 9 on the valve stem key 13 and secure the lever assembly key 9 with the machine screws key 11 Install the diaphragm head gasket key 7 lower diaphragm head key 24 diaphragm key 5 and upper diaphragm head key 6 on the pusher post key 8 and attach with the hex nut key 37 Tighten using 30 to 45 foot pounds 41 to 61 Nem of torque Install the pusher post key 8 plus attached diaphragm parts onto the lever assembly key 9 Install the spring case assembly key 23 and control spring key 1 on the diaphragm casing key 20 so that the vent assembly is correctly oriented and secure them with the spring case cap screws key 21 and hex nuts key 22 finger tight only 10 Install the upper spring seat and the adjusting nut key 2 turning clockwise until there is enough control spring force to provide proper slack to the diaphragm key 5 and attached parts Using a crisscross pattern finish tightening the spring case cap screws key 21 and hex nuts key 22 using 55 to 75 inch pounds 6 to 8 Nem of torque Then finish turning the adjusting
5. 25 40 14B3341X042 14B3341X062 14B3341X122 Y696VR Series X D w SIRS ZEE SNAM WT yr REC xs N Q3 N ve m GD 13 GD 19 G9 ar TYPE Y696VRM BODY AND STEM ASSEMBLY DETAIL A7176 a a a ar ar ar me BAN SY Sana Sj NN T lis lim TAI Sa WA i i SERERE oat ED AS 4 9 dp N S REVELL ll Va pe CL C3 Se i amp i l i i LS 2227777 22 42 a SS SSS NESE P i RM LLL LLL Bee mee SEN Z NE CM MEE 2 773 QW LV lt p Ty A E V2 amp 2 5 9 69 C 5 9 GD GD GD Gs 29 A7175 TYPE Y696VR ASSEMBLY Figure 3 Types Y696VR and Y696VRM Vacuum Regulator Assemblies Y696VR Series Key Description 20 Diaphragm Casing continued Type Y696VRM WCC Steel CF8M Stainless steel Hastelloy C 21 Cap Screw 12 required Standard NACE 22 Hex Nut 12 required Standard NACE 23 Spring Case Cast iron WCC Steel CF8M Stainless steel Aluminum 24 Lower Diaphragm Head 25 Disk Holder Assembly 27 Orifice 303 Stainless steel standard S316 Stainless steel NACE Hastelloy C 28 Body 29 Pipe Plug not shown use with Y696VR Cast iron and WCC spring cases CF8M Stainless steel spring case 35 Closing Cap Gasket 36 Adjusting Stem 37 Diaphragm Hex Nut Recommended Spare Parts Industrial Regulators Emerson Process Ma
6. Instruction Manual Form 5480 June 2009 Y696VR Series Y696VR Series Vacuum Regulators Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion fire and or chemical contamination causing property damage andpersonal 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 RegulatorTechnologies Inc 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 Installation operation and maintenance procedures performed by unqualified personnel may result in improper adjustment and unsafe operation Either condition may result in equipment damage or personal injury Use qualified personnel when installing operating and maintaining the Y696 Series regulator Introduction Scope of Manual This manual describes and provides instructions and parts lists for the Type Y696VR and the Type Y696VRM vacuum regulators Instructions and parts lists for other equipment used with these breakers are found in separate manuals www emersonprocess com regulators W7431 Figure 1 Type Y696VR Vacuum Regulator Product Description The Y696VR Series direct operated vacuum regulators are used for precise control of small capacit
7. and cause personal injury death or property damage due to fire or explosion Vent equipment in hazardous gas service to a remote safe location away from air intakes or any hazardous area Protect vent lines and stack openings from Y696VR Series condensation and clogging Principle of Operation A vacuum regulator maintains a constant vacuum at the regulator inlet A decrease in vacuum increase in absolute pressure below the setpoint registers on the diaphragm and opens the disk This allows the pressure from the higher vacuum source to pass through the regulator and restore the vacuum to its original setting On the Type Y696VR the controlled pressure registers directly into the diaphragm casing The Type Y696VRM has a control line connecting the diaphragm casing to the vacuum being controlled and an O ring stem seal blocking the throat allowing for registration only through the control line connection Startup and Adjustment To place the vacuum regulator in operation slowly introduce inlet or vacuum pressure The unit takes control when vacuum is established This unit operates within the pressure range stamped on the closing cap Shutdown To shutdown the unit close the upstream shutoff valve and then close the downstream shutoff valve to vent the equipment properly Next open the vent valve between the equipment and the nearest downstream shutoff valve All pressure between the shutoff valves is released through the o
8. asket key 7 lower diaphragm head key 24 diaphragm key 5 and upper diaphragm head key 6 on the pusher post key 8 and attach with the hex nut key 37 Tighten using 30 to 45 foot pounds 41 to 61 Nem of torque 9 Install the pusher post key 8 plus attached diaphragm parts onto the lever assembly key 9 10 Install the spring case assembly key 23 and control spring key 1 on the diaphragm casing key 20 so that the vent assembly is correctly oriented and secure them with the spring case cap screws key 21 and hex nuts key 22 finger tight only 11 Turn the adjusting nut key 2 clockwise until there is enough control spring key 1 force to provide proper slack to the diaphragm key 5 and attached parts Using a crisscross pattern finish tightening the spring case cap screws key 21 and hex nuts key 22 using 55 to 75 inch pounds 6 to 8 Nem of torque Then finish turning the adjusting nut key 2 to the desired outlet pressure setting 12 Install a replacement closing cap gasket key 35 if necessary and then install the closing cap key 3 Parts Ordering When corresponding with the local Sales Office or about this regulator include the type number and all other pertinent information stamped on the closing cap or nameplate Specify the eleven character part number when ordering new parts from the following parts list Y696VR Parts List Series
9. el Standard 14866935032 NACE 3F1916X0022 Stainless steel NACE 1A8669X0012 CF8M Stainless steel 3F191633092 Hastelloy C 1A8669X0022 Hastelloy C 3F1916X0102 Recommended Spare Parts Table 3 Disk Holder Assembly Materials and Part Numbers key 25 TRIM MATERIAL DISK MATERIAL DISK ASSEMBLY 303 Stainless steel standard Nitrile NBR 1D6405000D2 316 Stainless steel Perfluoroelastomer FFKM Disk 1D6404X0022 Disk Holder 1D6403X0032 N10276 Hastelloy C Polytetrafluoroethylene PTFE 1D6405X0152 Nitrile NBR 1D6405X0202 Fluorocarbon FKM 1D6405X0212 316 Stainless steel NACE Perfluoroelastomer FFKM Disk 1D6404X0022 Disk Holder 1D6403X0012 PTFE 1D6405X0162 Ethylenepropylene EPR 1D6405X0122 Table 4 Body Materials and Part Numbers key 28 MATERIAL BODY SIZE AND END CONNECTION STYLE Cast Iron WCC Steel Stai CESM WCC Steel NACE Hastelloy C ainless Steel NPT 1B403419012 2P2573X0022 2P2573X0012 SWE bisi 2P9004X0022 T Seah 4 4 2 inch CL150 RF 22B4316X022 22B4316X012 22B4316X032 DN 40 CL150 Integral RF did tie 44B9592X022 44B9592X012 CL300 RF 23B0825X012 23B0825X022 23B0825X042 PN 16 25 40 sas 14B3341X032 14B3341X052 14B3341X112 ses NPT 1B403519012 2R140522012 2R1405X00A2 SWE 22A2572X032 ee eve sees 2 inch CL150 RF 22B9226X022 22B9226X012 14B3341X092 DN 50 CL150 Integral RF sack m 44B9593X022 44B9593X012 CL300 RF 14B3341X012 14B3341X022 14B3341X102 PN 16
10. ess 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 4 r e EMERSON Process Management
11. essure range 1 7 inches w c 4 mbar Example 1 to 3 inches w c 2 to 7 mbar changes to 2 7 to 4 7 inches w c 7 to 12 mbar 2 Do not use fluorocarbon FKM diaphragm with these springs at diaphragm temperatures lower than 40 F 4 C These procedures are for gaining access to the disk assembly orifice and body gasket All pressure must be released from the diaphragm case before the following steps can be performed Key numbers are referenced in Figure 3 1 To inspect and replace the disk holder assembly key 25 remove the body cap assembly key 38 If itis necessary to replace the disk holder assembly key 25 remove the machine screw key 47 and cotter pin key 14 from the disk stem key 40 To inspect and replace the orifice key 27 loosen the union nut key 19 tip the diaphragm casing key 20 toward the inlet and separate the diaphragm casing from the body key 28 Remove and inspect the body gasket key 16 Inspect and replace the orifice key 27 if necessary Lubricate the threads of the replacement orifice with a good grade of pipe thread sealant and tighten using 29 to 37 foot pounds 39 to 50 N m of torque If necessary install the replacement body gasket key 16 into the body key 28 Slide the union nut key 19 as far as it will go onto the diaphragm casing key 20 Install both halves of the split ring Key 17 into the slots of the diaphragm casing
12. key 20 and secure them by sliding the union nut down on the split ring Install the diaphragm casing key 20 by tightening the union nut key 19 until the diaphragm case is secure on the body key 28 The disk holder assembly key 25 consists of the disk and disk holder as well as the valve disk washer key 46 and the machine screw key 47 Install the disk spring key 41 and valve holder assembly and secure it to the disk stem key 40 with the cotter pin key 14 10 Use a good quality thread sealer when replacing the body cap assembly key 38 Diaphragm and Spring Case Area These procedures are for gaining access to the control spring diaphragm assembly valve stem and stem O ring All pressure must be released from the diaphragm case before these steps can be performed Key numbers are referenced in Figure 3 Type Y696VR Vacuum Regulator 1 Remove the closing cap key 3 and turn the adjusting nut key 2 counterclockwise until all compression is removed from the control spring key 1 If the only further maintenance is to change the control spring key 1 skip to step 10 Remove the screws key 21 and hex nuts key 22 and lift off the spring case assembly key 23 Remove the diaphragm key 5 and attached parts by tilting it so that the pusher post key 8 slips off the lever assembly key 9 To separate the diaphragm key 5 from the attached parts unscrew the diaphragm hex nut
13. nagement 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 Part Number Key Description Part Number 38 Body Cap Assembly Stainless steel standard 15A2185X022 39A7502X022 Stainless steel NACE 15A2185X012 39A7502X012 Hastelloy C 15A2185X042 39A7502X032 40 Disk Stem Stainless steel standard 0L025135032 1B136324052 Stainless steel NACE 0L0251X0022 1B136338992 Hastelloy C 0L0251X0012 41 Valve Spring 1A309324122 303 Stainless Steel standard 0D002827022 14309338992 316 Stainless Steel NACE or Hastelloy C 10B6027X012 2B155719042 44 Upper Spring Seat 34B2157X012 1 to 3 inches w c 2 to 7 mbar 14869524092 34B2157X042 1 1 2 to 5 inches w c 4 to 12 mbar 14869524092 AE6180X0012 3 to 8 inches w c 7 to 20 mbar 14869524092 1A3478X0022 8 to 16 inches w c 20 to 40 mbar 14869524092 See Table 3 16 to 32 inches w c 40 to 80 mbar 14626424092 0 25 to 3 psig 17 to 207 mbar 14626424092 0L025335032 46 Valve Disk Washer 0L0253X0042 Standard Trim 0X014635032 0L025335032 NACE Trim 0X0146X0012 See Table 4 Hastelloy C 0X0146X0022 47 Machine Screw 1A866435042 10333528992 50 Nameplate not shown ss wwe ee ee eee 1C3335X0022 51 Drive Screw not shown 14368228982 1N446206992
14. nut key 2 to the desired outlet pressure setting 11 Install a replacement closing cap gasket key 35 if necessary and then install the closing cap key 3 Type Y696VRM Vacuum Regulator 1 Remove the closing cap key 3 and turn the adjusting nut key 2 counterclockwise until all compression is removed from the control spring key 1 If the only further maintenance is to change the control spring key 1 skip to step 10 Remove the spring case cap screws key 21 and hex nuts key 22 and remove the spring case key 23 Remove the diaphragm key 5 and attached parts by tilting it so the pusher post key 8 slips off the lever assembly key 9 To separate the diaphragm key 5 from the attached parts unscrew the diaphragm hex nut key 37 If the only further maintenance is to replace the diaphragm parts or change the control spring key 1 skip to step 8 To replace the lever assembly key 9 remove the machine screws key 11 and lever pin Y696VR Series 5 To replace the valve stem key 13 or stem seal O ring key 15 remove the valve stem from the diaphragm casing 6 Lightly grease the new stem seal O ring key 15 and install on the valve stem key 13 Install the valve stem by pushing it into the diaphragm casing key 20 7 Install the lever assembly key 9 on the valve stem key 13 and secure the lever assembly key 9 with the machine screws key 11 8 Install the diaphragm head g
15. o this equipment could cause personal injury or property damage due to escaping gas To avoid such injury or damage install the equipment in a safe and well ventilated location Equipment operation within ratings does not preclude the possibility of damage from debris in the lines or from external sources This equipment should be inspected for damage after any overpressure condition VACUUM BEING CONTROLLED HIGHER VACUUM SOURCE lt VACUUM PUMP EH CONTROL PRESSURE VACUUM ES OUTLET PRESSURE VACUUM ATMOSPHERIC PRESSURE Figure 2 Type Y696VR Operational Schematic Note If this equipment is shipped mounted on another unit install the unit according to the appropriate instruction manual 1 Only personnel qualified through training and experience should install operate and maintain this equipment For Y696VR Series equipment that is shipped separately make sure that there is no damage to or foreign material in it Also ensure that all tubing and piping have been blown free 2 This equipment may be installed in any position as long as the flow through the body is in the direction indicated by the arrow cast on the body If continuous operation is required during inspection or maintenance install a three valve bypass around the equipment This equipment may vent some gas to the atmosphere In hazardous or flammable gas service vented gas may accumulate
16. pen vent valve Maintenance Equipment parts are subject to normal wear and must be inspected and replaced as necessary The frequency of inspection and replacement of parts depends on the severity of service conditions and upon applicable codes and government regulations To avoid personal injury property damage or equipment damage caused by sudden release of pressure or explosion of accumulated gas isolate the regulator and release internal pressure before attempting maintenance or disassembly Body Area Y696VR Series Table 2 Vacuum Control Pressure Ranges and Spring Part Numbers CHANGE IN VACUUM CONTROL PRESSURE TO REACH WIDE OPEN VACUUM CONTROL PRESSURE RANGE SPRING PART SPRING WIRE NUMBER SPRING COLOR DIAMETER 1 to 3 inches w c 2 to 7 mbar 1 5 inches w c 4 mbar 1D892527022 Brown 0 109 inch 2 8 mm 1 1 2 to 5 inches w c 4 to 12 mbar 2 inches w c 5 mbar 1D7654000A2 Unpainted 0 120 inch 3 1 mm 3 to 8 inches w c 7 to 20 mbar 3 inches w c 7 mbar 0B0197000A2 Purple 0 148 inch 3 8 mm 8 to 16 inches w c 20 to 40 mbar 4 inches w c 10 mbar 1B766627062 Gray 0 156 inch 4 0 mm 16 to 32 inches w c 40 to 80 mbar 7 inches w c 17 mbar 1B883327022 Unpainted 0 187 inch 4 8 mm 0 25 to 3 psig 17 to 207 mbar 1 2 psig 83 mbar 1A630627022 Black 0 275 inch 7 0 mm 1 Pressure ranges are based on the spring case pointing up Pointing the spring case down increases the pr
17. y low pressure service applications where an increase in vacuum must be limited They are described as follows Type Y696VR The Type Y696VR has internal pressure registration requiring no downstream control line Type Y696VRM The Type Y696VRM has a control line connection and an O ring stem seal blocking the throat for external pressure registration Specifications Some general ratings and specifications for the Y696VR Series vacuum regulators are given on page 2 Individual regulators from the factory are supplied with the specific data stamped on the nameplate h EMERSON Process Management D102662X012 Y696VR Series Specifications Body Sizes and End Connection Styles See Table 1 Maximum Allowable Emergency Inlet Casing Pressure 15 psig 1 03 bar Maximum Allowable Pressure Without Internal Parts Damage 8 psig 0 55 bar Maximum Downstream Pressure Full Vacuum Vacuum Control Pressure Ranges See Table 2 Wide Open Flow Coefficients C 515 C 14 7 C 35 IEC Sizing Coefficients X 0 78 F 0 67 F 0 89 Spring Case Connection 3 4 NPT Control Line Connection Connection 1 2 NPT Gauge Tap Connection 1 4 NPT Pressure Registration Type Y696VR Internal Type Y696VRM External Material Temperature Capabilities Nitrile NBR 40 to 180 F 40 to 82 C Fluorocarbon FKM 40 to 300 F 4 to 149 C Ethyleneproplyene EPR 20 to 275 F 29 to
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