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Parts Ordering

Each Type 92B valve is assigned an FS or serial 

number. It can be found stamped on the nameplate 

attached to the spring case of the pilot.
Refer to the FS or serial number and the complete 

part number when ordering spare parts or requesting 

technical advice from your local Sales Office.

Table 5. 

Type 92B Main Valve Torques

BODY MATERIAL

BODY SIZE

BLEED FITTING  

(KEY 61)

DIAPHRAGM CASE CAP 

SCREWS/HEX NUTS

 

(KEY 63/64)

BOTTOM FLANGE CAP 

SCREWS (KEY 55)

NPS

DN

Ft-lbs

N•m

Ft-lbs

N•m

Ft-lbs

N•m

Cast Iron

1 

25

23 to 29 

30 to 39

50 to 70 

68 to 95

24 to 30 

32.5 to 40.6

1 to 1/2 

40

38 to 46 

51.5 to 62

80 to 100 

108 to 136

46 to 58 

62 to 78.6

2 

50

38 to 46 

51.5 to 62

95 to 110 

129 to 149

46 to 58 

62 to 78.6

3 

80

90 to 120 

122 to 163

110 to 130 

149 to 176

60 to 75 

81.3 to 102

4 

100

100 to 140 

136 to 190

110 to 130 

149 to 176

155 to 190 

210 to 258

Steel,  

Stainless steel

1 

25

23 to 29 

30 to 39

50 to 70 

68 to 95

24 to 30 

32.5 to 40.6

1 to 1/2 

40

38 to 46 

51.5 to 62

80 to 100 

108 to 136

46 to 58 

62 to 78.6

2 

50

38 to 46 

51.5 to 62

95 to 110 

129 to 149

46 to 58 

62 to 78.6

3 

80

90 to 120 

122 to 163

110 to 130 

149 to 176

60 to 75 

81.3 to 102

4 

100

100 to 140 

136 to 190

110 to 130 

149 to 176

155 to 190 

210 to 258

Table 6. 

Type 92B Pilot 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 (includes keys: 54, 56 and 60)

 

  Cast Iron

 

    NPS 1 / DN 25 

R92BX000022

 

    NPS 1-1/2 / DN 40 

R92BX000032

 

    NPS 2 / DN 50 

R92BX000042

 

    NPS 3 / DN 80 

R92BX000062

 

    NPS 4 / DN 100 

R92BX000072

 

  Steel or Stainless steel

 

    NPS 1 / DN 25 

R92BX000092

 

    NPS 1-1/2 / DN 40 

R92BX000102

 

    NPS 2 / DN 50 

R92BX000112

 

    NPS 3 / DN 80 

R92BX000062

 

    NPS 4 / DN 100 

R92BX000122

Key   Description  

Part Number

19 

Drive Screw, Stainless steel

 

  Cast Iron Body (5 required) 

1A368228982

 

  Steel Body (3 required) 

1A368228982

20 

Warning Label (Cast Iron body only) 

1F137018992

21   Nameplate 

 - - - - - - - - - - -

51 

Valve Body Assembly (includes body with  

 

seat ring - key 58 and guide bushing)

 

  Cast Iron

 

  NPT 

 

   1 NPT 

3H5846000B2

 

   1-1/2 NPT 

3H2748000B2

 

   2 NPT  

3F2497000B2

 

    CL125 FF flanged

 

      NPS 1-1/2 / DN 40 

3H2750000A2

 

      NPS 2 / DN 50   

3F2498000B2

 

      NPS 3 / DN 80 

3H3064000A2

 

      NPS 4 / DN 100 

3H3146000A2

 

    CL250 RF flanged

 

      NPS 1-1/2 / DN 40  

3H2751000A2

 

      NPS 2 / DN 50 

3F2499000B2

 

      NPS 3 / DN 80 

3H3065000A2

 

      NPS 4 / DN 100 

3H3147000A2

 

 Steel

 

  NPT 

 

   1 NPT 

T20895X0012

 

   1-1/2 NPT 

T20895X0042

 

   2 NPT 

T20895X0072 

 

  SWE 

 

   1 SWE 

30C3810X012

 

   1-1/2 SWE 

30C3810X022

 

   2 SWE 

GG01694X012

- continued -

13

Type 92B

Содержание Fisher 92B

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

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

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

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

Страница 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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