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Emerson Fisher Y696VR Series, Instruction Manual

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Emerson Fisher Y696VR Series Instruction Manual Download Page 7

A7175

TYPE Y696VR ASSEMBLY

Figure 3. 

Types Y696VR and Y696VRM Vacuum Regulator Assemblies

23 

Spring Case 

Cast iron 

2B155719042

WCC Steel 

34B2157X012

CF8M Stainless steel 

34B2157X042

Aluminum AE6180X0012

24 

Lower Diaphragm Head 

1A3478X0022

25 

Disk Holder Assembly 

See Table 3

27 Orifice

303 Stainless steel 

(standard)

 0L025335032

S316 Stainless steel (NACE) 

0L0253X0042

Hastelloy

®

 C 

0L0253X0032

28 

Body 

See Table 4

29 

Pipe Plug (not shown), use with Y696VR

Cast iron and WCC spring cases 

1C333528992

CF8M Stainless steel spring case 

1C3335X0022

35*  Closing Cap Gasket 

1N446206992

36 

Adjusting Stem 

1A626314012

37 

Diaphragm Hex Nut 

1A499724122

38  

Body Cap Assembly

Stainless steel 

(standard)

 15A2185X022

Stainless steel (NACE) 

15A2185X012

Hastelloy

®

 C 

15A2185X042

40 

Disk Stem

Stainless steel 

(standard)

 0L025135032

Stainless steel (NACE) 

0L0251X0022

Hastelloy

®

 C 

0L0251X0012

41 

Valve Spring

303 Stainless Steel 

(standard)

 0D002827022

316 Stainless Steel (NACE) 

or Hastelloy

®

 C 

10B6027X012

44  

Upper Spring Seat

1 to 3 in. w.c. / 2 to 7 mbar 

1A869524092

1-1/2 to 5 in. w.c. / 4 to 12 mbar 

1A869524092

3 to 8 in. w.c. / 7 to 20 mbar 

1A869524092

8 to 16 in. w.c. / 20 to 40 mbar 

1A869524092

16 to 32 in. w.c. / 40 to 80 mbar 

1A626424092

0.25 to 3 psig / 17 to 207 mbar 

1A626424092

46 

Valve Disk Washer 

Standard Trim 

0X014635032

NACE Trim 

0X0146X0012

Hastelloy

®

 C 

0X0146X0022

47 

Machine Screw 

1A866435042

50 

Nameplate (not shown) 

- - - - - - - - - - - 

51 

Drive Screw (not shown) 

1A368228982

56 

Vent Assembly (not shown), Y602-11 

17A5515X012

71 

Pipe Bushing (not shown) 

1A3424X0042

95 

NACE Tag (not shown) 

19A6034X012

96 

Tag Wire (not shown) 

1U7581X0022

Key  Description 

Part Number

Key  Description 

Part Number

*Recommended Spare Parts.

Hastelloy

®

 C is a mark owned by Haynes International, Inc.

7

Y696VR Series

Summary of Contents for Fisher Y696VR Series

Page 1: ... 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 P...

Page 2: ...he body and have a face to face dimension of 14 in 356 mm Body Sizes and End Connection Styles 1 See Table 1 Maximum Allowable Emergency Inlet Casing Pressure 2 15 psig 1 03 bar Maximum Allowable Pressure Without Internal Parts Damage 2 8 psig 0 55 bar Maximum Downstream Pressure 2 Full Vacuum Vacuum Control Pressure Ranges 2 See Table 2 Wide Open Flow Coefficients Cg 515 Cv 14 7 C1 35 IEC Sizing ...

Page 3: ...d 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 o...

Page 4: ...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...

Page 5: ...ep 10 2 Remove the spring case cap screws key 21 and hex nuts key 22 and remove the spring case key 23 3 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 co...

Page 6: ...1A309324122 NACE 1A309338992 Recommended Spare Parts Hastelloy C is a mark owned by Haynes International Inc 4 To replace the lever assembly key 9 remove the machine screws key 11 and lever pin 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 th...

Page 7: ...em Stainless steel standard 0L025135032 Stainless steel NACE 0L0251X0022 Hastelloy C 0L0251X0012 41 Valve Spring 303 Stainless Steel standard 0D002827022 316 Stainless Steel NACE or Hastelloy C 10B6027X012 44 Upper Spring Seat 1 to 3 in w c 2 to 7 mbar 1A869524092 1 1 2 to 5 in w c 4 to 12 mbar 1A869524092 3 to 8 in w c 7 to 20 mbar 1A869524092 8 to 16 in w c 20 to 40 mbar 1A869524092 16 to 32 in ...

Page 8: ...ify or improve the designs or specifications of our 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 A7176 TYPE Y696V...

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