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T208VR Series

9

Key  Description  

           Part number

*Recommended spare part

Parts Ordering

When corresponding with the local Sales Office or 

Sales Representative about this regulator, include 

the type number and all other pertinent information 

22  Closing Cap

 

 Zinc 

(standard)

  

1B541644012

 

  Steel 

1K797024092

23   Hex Nut (8 required)  

 

  For gray cast iron body, 

Steel 1A345724122

 

  For stainless steel body, 

S

tainless steel 

1A3457K0012

24   Spring Case Cap Screw (8 required)  

 

  For gray cast iron body, 

Steel 1A579724052

 

  For stainless steel body, 

Stainless steel 

1A5797T0012

25*  Closing Cap Gasket, Neoprene (CR)  

          1P753306992

26   Vent Assembly

 

  Spring Case Up (Type Y602-11) 

(standard)

 17A5515X012

 

 Spring Case D

own (Type Y602-2) 

17A6571X012

27  Pipe Plug (Type T208VR only) 

 

  For stainless steel body 

 

  316 Stainless steel 

1A369235072

 

  For gray cast iron body, 

Steel 1A369224492

30*  Stem Seal O-ring (Type T208VRM only)

 

  Nitrile (NBR) 

(standard)

 1H2926G0012

 

  Fluorocarbon (FKM) 

1H2926X0022

31*  Throat Seal O-ring (Type T208VRM only)

 

  Nitrile (NBR) 

(standard)

  

1D682506992

 

  Fluorocarbon (FKM) 

1D6825X0012

34  Machine Screw 

 

  (Type T208VRM only) 

 

    18-8 Stainless steel 

18A0703X022

36  Washer, Steel 

18B3440X012

41  Back Disk Spring 

See Table 1

42*  Back Body Seal O-ring 

 

 

  Nitrile (NBR) 

(standard)

 13A1584X012

 

  Fluorocarbon (FKM) 

13A1584X022

43  Back Body Cap

 

  316 Stainless steel  

1F2737X0012

44  Disk Spacer

 

  316 Stainless steel  

ERSA00198A0

45*  Diaphragm Head Gasket, Composition 

18B3450X012

46  Nameplate 

- - - - - - - - - - -

47  Drive Screw (4 required) 

 

  18-8 Stainless steel 

1A368228982

48  Flow Arrow 

- - - - - - - - - - -

49  Backup Ring, 302 Stainless steel 

18B3446X012

51  Connector Thread Stud, Steel 

17B9741X012

stamped on the nameplate. Specify the eleven-

character part number when ordering new parts from 

the following parts list.

Parts List

Key  Description  

           Part number

   Spare 

Parts 

K

it, included are keys 10, 11, 12,  

 

25, 42 and 45) 

 

   

    Nitrile (NBR) 

(standard)

 RT208XXDD12

   

    Fluorocarbon (FKM)

 RT208XXVV12

Body 

             See Table 2

Cap Screw (2 required) 

 

  For gray cast iron body 

1C856228992

 

  For stainless steel body 

18B3456X012

Spring Case Assembly

 

  Gray cast iron  

ERSA01074A1 

 

  Stainless steel  

ERSA01074A0

Lower Casing

 

  Gray cast iron  

47B2271X012

 

  316L/316 Stainless steel  

ERSA00196A0

Orifice, 316 Stainless steel 

 

  7/16-inch / 11 mm 

0L0832X0012

Control Spring  

             See Table 1

Diaphragm Head (2 required) 

 

  304 Stainless steel 

          17B9723X032

Pusher Post, 316 Stainless steel 

          18B3462X012

10* Diaphragm 

 

  Nitrile (NBR) 

(standard)

 

          17B9726X012

 

  Fluorocarbon (FKM) 

23B0101X052

11*  Body Seal O-ring 

 

 

  Nitrile (NBR) 

(standard) 

 

     

 

1H993806992

 

  Fluorocarbon (FKM) 

1H9938X0012

12*  Insert Seal O-ring 

 

 

  Nitrile (NBR) 

(standard) 

 

          1B885506992

 

  Fluorocarbon (FKM) 

1B8855X0012

13  Disk Holder Assembly

 

  316 Stainless steel with

 

    Nitrile (NBR) 

(standard)

 ERSA01112A0

 

    Fluorocarbon (FKM) 

ERSA01112A1

14  Stem, 316 Stainless steel  

ERSA00200A0

16  Lever Assembly, 302 Stainless steel 

1B5375000B2

17  Machine Screw (2 required) 

 

  18-8 Stainless steel 

19A7151X022

18  Guide Insert, 316 Stainless steel 

27B4028X022

19  Upper Spring Seat, Steel 

1A201824092

20  Adjusting Nut, Brass 

17B9740X012

21  Hex Nut, Steel 

1A345724122

Содержание FISHER T208VR Series

Страница 1: ...vice applications where a constant vacuum must be Figure 1 Type T208VR Vacuum Regulator Table of Contents Introduction 1 Specifications 2 Principle of Operation 2 Installation 4 Startup Adjustment and Shutdown 5 Maintenance 5 Parts Ordering 9 Parts List 9 maintained These direct operated vacuum regulators come in 3 4 and 1 inch DN 20 and 25 body sizes and have a 7 16 inch 11 mm orifice and a 1 4 i...

Страница 2: ...tration Type T208VRM Direct operated vacuum regulator with blocked throat and control line connection for external pressure registration Body Sizes and End Connection Styles 1 BODY SIZE END CONNECTION STYLES Inch DN Gray cast iron 316L 316 Stainless steel 3 4 or 1 20 or 25 NPT NPT or CL150 RF Maximum Casing Pressure 1 35 psig 2 41 bar Maximum Casing Vacuum Pressure 1 Full Vacuum Maximum Allowable ...

Страница 3: ... SOURCE ATMOSPHERIC PRESSURE INLET PRESSURE CONTROLLED VACUUM OUTLET PRESSURE HIGHER VACUUM SOURCE ATMOSPHERIC PRESSURE VACUUM BEING CONTROLLED HIGHER VACUUM SOURCE VACUUM PUMP ADJUSTING NUT CONTROL SPRING VENT PIPE PLUG PUSHER POST STEM LEVER DIAPHRAGM VALVE PLUG DISK ORIFICE ADJUSTING NUT CONTROL SPRING VENT PUSHER POST STEM STEM SEAL THROAT SEAL LEVER DIAPHRAGM CONTROL LINE CONNECTION PORT VALV...

Страница 4: ...lled in any position as long as the flow through the body is in the direction indicated by the arrow attached to the body If continuous operation is required during inspection or maintenance install a threeway bypass valve around the equipment 3 To keep the vent assembly key 26 from being plugged or the spring case key 3 from collecting moisture corrosive chemicals or other foreign material point ...

Страница 5: ...essure gauges to monitor inlet pressure and outlet pressure during startup and adjustment procedures Startup 1 Slowly open the downstream outlet shutoff valve if used to vacuum regulator and leave it fully open 2 Slowly open the upstream inlet shutoff valve for Type T208VRM open the control line shutoff valve first followed by the upstream shutoff valve between the tank and vacuum regulator 3 Use ...

Страница 6: ...rifice key 5 on Types T208VR and T208VRM or throat seal O ring key 31 and machine screw key 34 on the Type T208VRM remove the cap screws key 2 and separate the lower casing key 4 from the body key 1 4 Remove and inspect the body seal O ring key 11 For Type T208VRM also inspect the throat seal O ring key 31 by removing the machine screw key 34 Replace if necessary To install a throat seal place the...

Страница 7: ... screws key 24 and hex nuts key 23 to fingertightness only 11 Install the upper spring seat key 19 and the adjusting nut key 20 Turn the adjusting nut clockwise until there is enough control spring key 6 force to provide proper slack to the diaphragm key 10 and attached parts Using a crisscross pattern finish tightening the spring case cap screws key 24 and hex nuts key 23 to 90 to 126 inch pounds...

Страница 8: ...sing cap key 22 To Convert Constructions The Type T208VR to the Type T208VRM New parts required keys 30 31 and 34 1 Remove pipe plug key 27 Figure 3 from the diaphragm casing key 4 2 Refer to steps 1 and 3 in the Body Area Maintenance section 3 Insert the throat seal O ring key 31 Figure 4 and one machine screw key 34 4 Insert the stem seal O ring key 30 by following steps 1 through 7 and 9 throug...

Страница 9: ...450X012 46 Nameplate 47 Drive Screw 4 required 18 8 Stainless steel 1A368228982 48 Flow Arrow 49 Backup Ring 302 Stainless steel 18B3446X012 51 Connector Thread Stud Steel 17B9741X012 stamped on the nameplate Specify the eleven character part number when ordering new parts from the following parts list Parts List Key Description Part Number Spare parts kit included are keys 10 11 12 25 42 and 45 N...

Страница 10: ...ly ERSA02741 APPLY LUBRICANT 1 L1 SILICONE GREASE L2 ANTI SEIZE COMPOUND 1 Lubricants must be selected such that they meet the temperature requirements 7 36 25 19 20 51 6 21 18 14 13 41 5 L2 L2 10 7 45 8 16 17 12 11 49 44 42 L1 L1 L1 4 27 23 24 26 46 22 47 43 48 1 2 3 ...

Страница 11: ...A02742 APPLY LUBRICANT 1 L1 SILICONE GREASE L2 ANTI SEIZE COMPOUND 1 Lubricants must be selected such that they meet the temperature requirements L1 10 7 45 8 16 17 30 12 11 49 44 13 L1 L1 L1 42 L1 7 36 25 19 51 20 6 21 14 41 18 31 34 5 L2 L2 4 46 23 24 26 22 2 1 48 43 47 3 ...

Страница 12: ...ser industrial regulators Emerson Process Management regulator Technologies inc USA Headquarters McKinney Texas 75070 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai 201206 China Tel 86 21 2892 9000 Europe Bologna 40013 Italy Tel 39 051 419 0611 Middle East and Africa Dubai United Arab Emirates Tel 011 971 4811 8100 natural gas Technologies Emerson Process Management regula...

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