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Emerson Fisher 92B, Instruction Manual, Page: 14 / 24

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Emerson Fisher 92B Instruction Manual Download Page 14

           

Key   Description  

Part Number

Key   Description  

Part Number

51 

Valve Body Assembly (continued)

 

    CL150 RF flanged

 

      NPS 1 / DN 25 

T20895X0022

 

      NPS 1-1/2 / DN 40 

T20895X0052

 

      NPS 2 / DN 50  

T20895X0082

 

      NPS 3 / DN 80  

T20895X0102

 

      NPS 4 / DN 100  

T20895X0122

 

    CL300 RF flanged

 

      NPS 1 / DN 25 

T20895X0032

 

      NPS 1-1/2 / DN 40 

T20895X0062

 

      NPS 2 / DN 50  

T20895X0092

 

      NPS 3 / DN 80  

T20895X0112

 

      NPS 4 / DN 100  

T20895X0132

 

  PN16/25/40 RF

 

      NPS 1 / DN 25 

T21162X0012

 

      NPS 1-1/2 / DN 40 

T21162X0022

 

      NPS 2 / DN  50 

T21162X0032 

 

      NPS 3 / DN 80 

T21162X0052

 

  PN16 RF

 

      NPS 4 / DN 100 

T21162X0042 

 

  PN25/40 RF

 

      NPS 4 / DN 100 

GG01701X012 

 

  Stainless steel

 

  NPT 

 

   1 NPT 

T21160X0012

 

   1-1/2 NPT 

T21160X0042

 

   2 NPT 

T21160X0072

 

    CL150 RF flanged

 

      NPS 1 / DN 25 

T21160X0022

 

      NPS 1-1/2 / DN 40 

T21160X0052

 

      NPS 2 / DN 50  

T21160X0082

 

      NPS 3 / DN 80  

T21160X0102

 

      NPS  4 / DN 100  

T21160X0122

 

    CL300 RF flanged

 

      NPS 1 / DN 25 

T21160X0032

 

      NPS 1-1/2 / DN 40 

T21160X0062

 

      NPS 2 / DN 50  

T21160X0092

 

      NPS 3 / DN 80  

T21160X0112

 

      NPS 4 / DN 100  

T21160X0132

52   Bottom Flange Assembly

 

  Cast iron

 

    NPS 1 / DN 25 

1J3024000A2

 

    NPS 1-1/2 / DN 40  

1J3026000A2

 

    NPS 2 / DN 50  

1J4339000A2

 

    NPS 3 / DN 80  

0U0357000A2

 

    NPS 4 / DN 100 

0T0786000A2

 

 Steel

 

    NPS 1 / DN 25 

29B468600A2

 

    NPS 1-1/2 / DN 40  

39B551300A2

 

    NPS 2 / DN 50  

39B045200A2

 

    NPS 3 / DN 80  

39B581200A2

 

    NPS 4 / DN 100  

39B642300A2

 

  Stainless steel

 

    NPS 1 / DN 25 

29B468600B2

 

    NPS 1-1/2 / DN 40  

39B551300B2

 

    NPS 2 / DN 50  

39B045200B2

 

    NPS 3 / DN 80  

39B581200B2

 

    NPS 4 / DN 100  

39B642300B2

54*   Gasket

 

  Cast Iron Body, Composition

 

  NPS 1 / DN 25 

0U020004022

 

  NPS 1-1/2 / DN 40  

0U024704022

 

  NPS 2 / DN 50  

0T068104022

 

  NPS 3 / DN 80  

0U0365X0032

 

  NPS 4 / DN 100 

0T078804022

 

  Steel and Stainless steel Body, Graphite

 

  NPS 1 / DN 25 

0U0200X0012

 

  NPS 1-1/2 / DN 40  

0U0247X0012

*Recommended spare part

Inconel

®

 is a trademark owned by Special Metals Corporation.

54*   Gasket (continued)

 

  Steel and Stainless steel Body, Graphite

 

  NPS 2 / DN 50  

0T0681X0012

 

  NPS 3 / DN 80  

0U0365X0032

 

  NPS 4 / DN 100  

0T0788X0012

55   Cap Screw, For Cast Iron and Steel Bodies

  

NPS 1 / DN 25 (6 required)  

1A336924052

  

NPS 1-1/2 / DN 40 (6 required)  

1A337524052

  

NPS 2 / DN 50 (6 required)  

1A418524052

  

NPS 3 / DN 80 (8 required)  

1A344424052

  

NPS 4 / DN 100 (8 required)  

1A430224052

      Cap Screw, For Stainless steel Bodies

              NPS 1 / DN 25 (6 required)  

1A3369X0032

              NPS 1-1/2 / DN 40 (6 required)  

1A3375X0022

              NPS 2 / DN 50 (6 required)  

1A4185X0022

              NPS 3 / DN 80 (8 required)  

1A3444X0012

              NPS 4 / DN 100 (8 required)  

1A4302K0022

56   Valve Plug, Stainless steel

  

NPS 1 / DN 25 

2P979646172

  

NPS 1-1/2 / DN 40 

2P979746172

  

NPS 2 / DN 50 

2P979846172

  

NPS 3 / DN 80   

39B4698X012

  

NPS 4 / DN 100 

39B4699X012

57   Spring

 

  17-7 PH Stainless Steel

 

  Standard for 20 psi / 1.4 bar pressure drop  

 

  or greater

 

   NPS 1 / DN 25 

1R151337052

 

   NPS 1-1/2 / DN 40 

1R151437052

 

   NPS 2 / DN 50 

1R151537052

 

   NPS 3 / DN 80   

1R151737052

 

   NPS 4 / DN 100  

1R151837052

 

 Inconel

® 

 

  10 to 20 psi / 0.69 to 1.4 bar minimum pressure drop

 

  NPS 1 / DN 25 

0U020242012

 

  NPS 1-1/2 / DN 40 

0U023742012

 

  NPS 2 / DN 50 

0T086042012

 

  NPS 3 / DN 80   

0U035942012

 

  NPS 4 / DN 100 

0T085842012

58 

Seat Ring, Stainless steel

 

  NPS 1 / DN 25 

2P980346172

 

  NPS 1-1/2 / DN 40  

2P980446172

 

  NPS 2 / DN 50  

2P896746192

 

  NPS 3 / DN 80    

2P898046192

 

  NPS 4 / DN 100 

2P980546192

59   Diaphragm Head

 

  Cast Iron Body, Cast Iron

 

    NPS 1 / DN 25 

1F251519012

 

  NPS 1-1/2 / DN 40  

1F301019012

 

  NPS 2 / DN 50 

1F250419012

 

  NPS 3 / DN 80    

GG02112X012

 

  NPS 4 / DN 100 

1F335619012

 

Steel Body, WCC Steel

 

  NPS 1 / DN 25 

19B4685X012

 

  NPS 1-1/2 / DN 40  

19B5514X012

 

  NPS 2 / DN 50 

29B0453X012

 

  NPS 3 / DN 80 

29B5811X012

 

  NPS 4 / DN 100 

29B6425X012

 

Stainless steel Body, CF8M Steel

  

NPS 1 / DN 25 

19B4685X022

  

NPS 1-1/2 / DN 40  

19B5514X022

  

NPS 2 / DN 50 

29B0453X022

  

NPS 3 / DN 80 

29B5811X022

  

NPS 4 / DN 100 

29B6425X022

- continued -

14

Type 92B

Summary of Contents for Fisher 92B

Page 1: ... Type 92B is also available with a Type 6492HM or 6492HTM safety override pilot Product Description The Type 92B Pressure Reducing Valve is the standard steam valve for industry It can withstand dirty operating environments while providing accurate and stable pressure control The Type 92B is applied as a main pressure reducing valve in industrial process heating applications such as heat exchanger...

Page 2: ...NPS DN Cast Iron Body Steel or Stainless Steel Body 1 25 NPT NPT SWE 1 CL150 RF CL300 RF and PN 16 25 40 RF 1 1 2 and 2 40 and 50 NPT CL125 FF and CL250 RF 3 and 4 80 and 100 CL125 FF and CL250 RF CL150 RF CL300 RF PN 16 RF and PN 25 40 RF 1 Available in steel bodies only Table 2 Outlet Pressure Ranges PILOT TYPE OUTLET PRESSURE PART NUMBER COLOR CODE SPRINGWIREDIAMETER SPRING FREE LENGTH psig bar...

Page 3: ...diaphragm The main valve opens to increase the flow downstream Conversely if the steam demand decreases the downstream pressure increases and the pilot reacts to decrease the pressure on top of the main diaphragm The main valve throttles toward the closed position and the steam flow decreases Thus through the combination of pilot and main valve operation control of the downstream steam pressure is...

Page 4: ...RNING Regulators should be installed operated and maintained in accordance with federal state and local codes rules and regulations and Emerson instructions If the regulator vents steam 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 Call a service man in case of trouble Only a qualifie...

Page 5: ...ntrol valve 7 Install the external control line as follows a Connect one end of the control line to the Type 92B body tapping This tapping is 1 4 NPT for NPS 1 and 2 DN 25 and 40 bodies 3 8 NPT for NPS 2 DN 50 body and 1 2 NPT for NPS 3 and 4 DN 80 and 100 bodies Table 4 Minimum Differential Pressures for Safety Override System TYPE SPRING RANGE SPRING COLOR MINIMUM PRESSURE AT WHICH MONITORING PI...

Page 6: ... PRESSURE GAUGE BLOCK VALVE TRAP STRAINER TYPE 92B SENSING LINE REDUCED PRESSURE GAUGE BLOCK VALVE TRAP TYPE 92B SINGLE STAGE PARALLEL INSTALLATION E0707 TYPE 92B TWO STAGE INSTALLATION E0708 Figure 4 Type 92B Typical Installations BLOCK VALVE INITIAL PRESSURE GAUGE BLOCK VALVE TRAP STRAINER PRIMARY TYPE 92B SENSING LINE INTERMEDIATE PRESSURE GAUGE BLOCK VALVE TRAP SECONDARY TYPE 92B BLOCK VALVE S...

Page 7: ...tap in the pipeline leading to the vessel e Slope the control line away from the Type 92B so that condensate can drain back into the pipeline f Install a shutoff valve not a needle valve in the control line g Install a pressure gauge in the control line or near the outlet of the Type 92B to aid in setting the outlet pressure CAUTION The maximum inlet and outlet pressures for which this Type 92B ha...

Page 8: ...ired setting Tighten hex nut on the set screw Safety Override System Use the following procedure to put the system into operation referring to Figure 3 as necessary 1 Remove all pilot control spring compression from the Type 6492HM safety override pilot by turning the adjusting screw out of the spring case counterclockwise 2 Adjust the Type 92B upstream working pilot s and Type 92B downstream work...

Page 9: ...e reducing regulator such as a Type MR95H in the Type 92B pilot supply line Adjust the pilot supply line regulator to reduce pilot supply pressure to about 30 psig 2 1 bar above the outlet pressure setting of the Type 92B valve This arrangement can minimize cycling and still provide adequate pilot supply pressure to ensure full opening of the main valve plug if required Note The 30 psig 2 1 bar is...

Page 10: ...e field because its setting is made at the factory and will be lost by disassembling Main Valve Reassembly Type 92B Figure 8 Inspect all internal parts for excessive wear or damage Use new parts when necessary see Table 5 for torque values Reassemble the main valve as follows 1 Install valve plug key 56 and its spring key 57 2 Use new bottom flange gasket key 54 and replace the bottom flange key 5...

Page 11: ...h the guide Inspect and clean or replace as required Key numbers are referenced in Figure 9 or 10 To Clean Bleed Fitting If the 5 64 in 2 0 mm diameter hole in the bleed fitting key 61 becomes plugged it can be cleared by running a wire through it To gain access to this hole first isolate the valve and relieve all pressure Then remove either the tubing and fitting or the pipe plug from the top of ...

Page 12: ...lean and replace the pipe plugs as necessary 5 Apply high temperature sealant to the threads of the pipe plug key 94 and install into the body key 1 6 Apply high temperature sealant to the threads of the pipe plug key 74 Install into the body key 1 7 Remove the cap screws key 17 spring case key 14 control spring key 12 and upper spring seat key 13 from the body key 1 8 Remove the lower spring seat...

Page 13: ...lot Torques VALVE GUIDE KEY 2 ORIFICE KEY 5 BELLOWS RETAINER KEY 8 CHECK VALVE ASSEMBLY KEY 75 PIPE PLUG KEY 74 CAP SCREWS KEY 17 Ft lbs N m Ft lbs N m Ft lbs N m Ft lbs N m Ft lbs N m Ft lbs N m 42 to 58 57 to 78 6 19 to 25 25 8 to 34 19 to 25 25 8 to 34 5 to 15 7 to 20 3 19 to 25 25 8 to 34 12 to 18 16 3 to 24 4 Parts List Type 92B Main Valve Figure 8 Key Description Part Number Parts Kits inclu...

Page 14: ...Inconel is a trademark owned by Special Metals Corporation 54 Gasket continued Steel and Stainless steel Body Graphite NPS 2 DN 50 0T0681X0012 NPS 3 DN 80 0U0365X0032 NPS 4 DN 100 0T0788X0012 55 Cap Screw For Cast Iron and Steel Bodies NPS 1 DN 25 6 required 1A336924052 NPS 1 1 2 DN 40 6 required 1A337524052 NPS 2 DN 50 6 required 1A418524052 NPS 3 DN 80 8 required 1A344424052 NPS 4 DN 100 8 requi...

Page 15: ... 5 7 8 9 10 18 and 77 Low pressure Pilot Cast iron R92BLPX0012 Steel R92BLPX0022 High pressure Pilot Cast iron R92BHPX0012 Steel R92BHPX0022 1 Pilot Valve Body Cast Iron Low pressure 32A0404X012 High pressure 22A0403X012 Ductile Iron Low pressure 32A0404X022 High pressure 22A0403X022 Steel Low pressure 32A0404X052 High pressure High temperature 22A0403X052 Stainless Steel Low pressure 32A0404X062 ...

Page 16: ...16 Stainless Steel 0Z020135072 75 Check Valve Assembly Cast Iron Ductile Iron and Steel Pilot Body 12A0405X012 Stainless Steel Pilot Body 12A0405X022 77 Screen 16A1512X012 Recommended spare part Key Description Part Number Optional Sealed Adjusting Screw Figure 12 Key Description Part Number For Cast Iron Construction 14 Spring Case Low pressure 3L324222012 High pressure 2L324122012 25 Stuffing Bo...

Page 17: ...7 Cap Screw 8 required Type 6492HM Steel 1A381624052 Stainless steel 1A3816X0152 Type 6492HTM Steel 1A3816X0242 Stainless steel 1A3816X0152 18 Diaphragm Gasket Type 6492HM 1E396104022 Type 6492HTM 1E3961X0012 19 Drive Screw 4 required 1A368228982 20 Nameplate 34 Machine Screw for use with Handwheel 16A5763X012 38 Handwheel 1J496144012 39 Lock Washer for use with Handwheel 1A352332992 74 Pipe Plug ...

Page 18: ...30A6348 B1A 30A6348 B2 Figure 8 Type 92B Main Valve Assembly 18 Type 92B ...

Page 19: ...BF9827 G Figure 10 High Pressure Pilot Assembly CJ8998 E Figure 9 Low Pressure Pilot Assembly 20 19 13 17 24 75 22 19 Type 92B ...

Page 20: ...Optional Handwheel Assembly 32A4712 A A3505 1 STEEL AND STAINLESS STEEL BODY CN7100 CAST IRON BODY Figure 12 Optional Sealed Adjusting Screw 34 39 38 15 87 15 16 14 37 31 32 33 25 14 30 35 36 29 28 27 26 34 20 Type 92B ...

Page 21: ...st Iron Pilot Assembly use for NPS 1 1 2 through 4 DN 40 through 100 assemblies 39B4689_1 PILOT UP LEFT SIDE CONTROL TUBING LOADING TUBING Figure 14 Steel Pilot Mounting Assembly High Pressure Pilot Shown 67 70 71 73 22 65 72 21 Type 92B ...

Page 22: ...57 APPLY LUBRICANT L OR SEALANT S E0661 Figure 16 Safety Override Pilot Warning Label key 95 In mm 0 75 19 3 00 76 WARNING BACKGROUND SAFETY ORANGE ANSI Z535 1 15 L 11 10 18 5 77 3 13 12 14 20 19 16 9 8 7 L 4 2 S 17 94 74 S 78 95 1 22 Type 92B ...

Page 23: ...Figure 17 Safety Override Pilot Assembly 66 65 23 Type 92B ...

Page 24: ...ranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available on request We reserve the right to modify or improve the designs or specifications of our products at any time without notice Emerson Process Management Regulator Technologies Inc does not assume responsibi...

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