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Parts List

Key  Description 

Part Number

Spare Parts Kit, included are keys 9, 10, 

11, 12, 25, 42 and 45

(see Table 4 for Trim Option Codes)

Standard Trim 

RT208XXDD12 

VV Trim 

 RT208XXVV12 

TN Trim 

 RT208XXTN12 

TV Trim  

 RT208XXTV12 

TK Trim   

 RT208XXTK12 

TE Trim  

 RT208XXTE12 

1  

Body  

See Table 3

2  

Cap Screw (2 required)

For Gray cast iron or WCC Carbon steel casing 

1C856228992

For LCC Carbon steel or 

CF8M/CF3M Stainless steel casing 

18B3456X012

3  

Spring Case

Gray cast iron 

ERSA02558A0 

WCC Carbon steel, NACE

(2)

 ERSA00195A1

CF8M/CF3M Stainless steel, NACE

(2)

 ERSA00195A0

LCC Carbon steel 

ERSA00195B0

 Lower Casing

Gray cast iron 

47B2271X012

   

WCC Carbon steel 

ERSA00196A1

CF8M/CF3M Stainless steel, NACE

(2)

 ERSA00196A0

LCC Carbon steel 

ERSA00196C3

5*  

Orifice, 7/16 in. / 11 mm

Stainless steel 

0L0832X0012

6  

Spring 

See Table 2

7  

Diaphragm Head (2 required)

Stainless steel 

17B9723X032

8  

Pusher Post

For Nitrile (NBR) or Fluorocarbon (FKM) Diaphragm

Stainless steel, NACE

(2)

 18B3462X012

For Fluorinated Ethylene Propylene (FEP)

Diaphragm

Stainless steel,  NACE

(2)

 ERSA00876A0

9  

Diaphragm Gasket, Nitrile (NBR) 

(For Fluorinated Ethylene 

Propylene (FEP) Diaphragm) 

ERSA00713A0

10*   Diaphragm

Nitrile (NBR) 

17B9726X012

Fluorocarbon (FKM) 

23B0101X052

Fluorinated Ethylene Propylene (FEP) 

ERSA00193A0

11*   Body Seal O-ring

Nitrile (NBR) 

1H993806992

Fluorocarbon (FKM) 

1H9938X0012

Perfluoroelastomer (FFKM) 

1H9938X0042

EPDM 1H9938X0022

12*   Insert Seal O-ring

Nitrile (NBR) 

1B885506992

Fluorocarbon (FKM) 

1B8855X0012

Perfluoroelastomer (FFKM) 

1B8855X0062

EPDM 1B8855X0022

13*   Disk Assembly

Stainless steel with

Nitrile (NBR)  

ERSA01112A0

Fluorocarbon (FKM)  

ERSA01112A1

Perfluoroelastomer (FFKM)  

ERSA01112A2

EPDM  

ERSA01112A3

14   Stem, Stainless steel 

ERSA00200A0

16   Lever Assembly, Stainless steel 

1B5375000B2

17   Machine Screw (2 required)

Stainless steel 

19A7151X022

Key  Description 

Part Number

18   Guide Insert, Stainless steel 

27B4028X022

19 

Upper spring seat

(1)

, Steel 

1J618124092

20 

Lock Nut

(1)

  

1A413224122

22   Closing Cap

Plastic 

(standard)

  

T11069X0012

Steel 1E422724092

Stainless steel 

1E422735072

Carbon steel

(1)

 ERSA01809A0

23   Hex Nut (8 required)

For Gray cast iron or WCC Carbon steel casing 

1A345724122

For LCC Carbon steel or 

CF8M/CF3M Stainless steel casing 

1A3457K0012

24   Cap Screw (8 required)

For Gray cast iron or WCC Carbon steel casing 

1A579724052

For LCC Carbon steel or 

CF8M/CF3M Stainless steel 

1A5797T0012

25*   Closing Cap Gasket, Neoprene (CR)  

1P753306992

26  

Vent Assembly

Spring Case Down (Type Y602-1) 

(standard)

 17A6570X012

Spring Case Up (Type Y602-11) 

 17A5515X012

27   Pipe Plug (Type T208 only) (not shown)

Carbon steel 

(standard)

 1A369224492

Stainless steel, NACE

(2)

 1A369235072

30*   Stem Seal O-ring (Type T208M only)

Nitrile (NBR)  

1H2926G0012

Fluorocarbon (FKM)  

1H2926X0022

Perfluoroelastomer (FFKM)  

1H2926X0042

EPDM  

1H2926X0012

31*  Throat Seal O-ring (Type T208M only)

Nitrile (NBR)  

1D682506992

Fluorocarbon (FKM)  

1D6825X0012

Perfluoroelastomer (FFKM)  

1D6825X0032

EPDM  

1D6825X0042

34   Machine Screw (Type T208M only)

Stainless steel  

18A0703X022

35   Adjusting Screw

Internal Flat Circular 

(standard)

  

1B537944012

External Square Head

(1)

For Green and Light blue spring 

10B3080X012

For Black spring 

1D995448702

36   Washer, Plated Carbon steel 

18B3440X012

38   Cap Screw, Zinc-plated steel  

1B290524052

41   Back Disk Spring

Stainless steel  

1E984637022

Inconel

® 

, NACE

(2)

 18B0255X012

42*   Back Body Seal O-ring

Nitrile (NBR) 

13A1584X012

Fluorocarbon (FKM) 

13A1584X022

Perfluoroelastomer (FFKM) 

13A1584X032

EPDM 13A1584X042

43   Back Body Cap

Stainless steel  

1F2737X0012

44   Disk Spacer 

Stainless steel  

ERSA00198A0

45*  Diaphragm Head Gasket, Composition 

18B3450X012

46   Nameplate 

- - - - - - - - - - -

47   Drive screw, Stainless steel (2 required) 

1A368228982

48   Flow arrow 

- - - - - - - - - - -

49   Backup Ring, Stainless steel  

18B3446X012

50   Lower Spring Seat, Zinc-plated steel 

1B636325062

51 

NACE Tag 

- - - - - - - - - - - 

52   Tag Wire 

- - - - - - - - - - -

*Recommended Spare Part

1.  Use for optional external square head adjusting screw assembly recommended for 0.9 to 2.5 psig / 62 to 172 mbar, 1.3 to 4.5 psig / 90 to 310 mbar and 3.8 to 7 psig / 0.26 to 0.48 bar 

spring ranges only.

2. NACE Standard MR0175-2002.

Inconel

®

 is a mark owned by Special Metals Corporation.

9

T208 Series

Содержание FISHER T208 Series

Страница 1: ...Emerson instructions If the regulator discharges process fluid or a leak develops in the system service to the unit may be required Failure to correct trouble could result in a hazardous condition Call a qualified service person to service the unit Installation operation and maintenance procedures performed by unqualified person may result in improper adjustment and unsafe operation Either conditi...

Страница 2: ...ing Case Vent Connection 1 4 NPT Diaphragm Case Control Line Connection Type T208M 1 2 NPT Approximate Weight 17 7 lbs 8 kgs 1 The pressure temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded 2 See Table 4 for operating temperature ranges for available trim combinations 3 Special low temperature constructions for process temperatures ...

Страница 3: ...s STEM ORIFICE LEVER PIPE PLUG DIAPHRAGM TYPE Y602 1 VENT CONTROLSPRING BACK DISK SPRING DISK STEM SEAL O RING LEVER CONTROLLINECONNECTION DIAPHRAGM TYPE Y602 1 VENT CONTROL SPRING BACK DISK SPRING DISK ORIFICE THROAT SEAL INLET PRESSURE OUTLET PRESSURE ATMOSPHERICPRESSURE INLET PRESSURE OUTLET PRESSURE ATMOSPHERICPRESSURE 3 T208 Series ...

Страница 4: ...e personal injury death or property damage due to fire or explosion Vent a regulator in hazardous gas service to a remote safe location away from air intakes or any hazardous area The vent line or stack opening must be protected against condensation or clogging 3 To keep the vent assembly key 26 from being plugged or the spring case key 3 from collecting moisture corrosive chemicals or other forei...

Страница 5: ... use a pressure gauge to monitor the vapor recovery pressure when making adjustments 3 After making the adjustment replace the closing cap gasket key 25 and install the closing cap key 22 4 To remotely vent the regulator remove the vent assembly key 26 and install obstruction free tubing or piping into the 1 4 NPT vent tapping Provide protection on a remote vent by installing a screened vent cap i...

Страница 6: ...ect and replace the disk assembly key 13 remove the back body cap key 43 2 Remove the disk assembly key 13 from the disk spacer key 44 and replace if necessary 3 To inspect the orifice key 5 on Types T208 and T208M or throat seal O ring key 31 and machine screw key 34 on the Type T208M remove the cap screws key 2 and separate the diaphragm casing key 4 from the body key 1 4 Remove and inspect the ...

Страница 7: ...hragm case assembly before performing these steps Key numbers are referenced in Figures 4 5 and 6 1 For internal flat circular adjusting screw remove the closing cap key 22 closing cap gasket key 25 and adjusting screw key 35 For external square head adjusting screw remove the adjusting screw key 35 locknut key 20 closing cap key 22 closing cap gasket key 25 and upper spring seat key 19 2 Remove t...

Страница 8: ...ap screws key 24 and hex nuts key 23 to 98 to 126 in lbs 11 1 to 14 2 N m of torque Adjust the control pressure to the desired pressure setting refer to the Adjustment section 12 For Type T208M connect the control line Refer to the Startup section before putting the regulator back in operation To Convert Constructions From Type T208 to Type T208M A control line is needed New parts required keys 30...

Страница 9: ...Closing Cap Plastic standard T11069X0012 Steel 1E422724092 Stainless steel 1E422735072 Carbon steel 1 ERSA01809A0 23 Hex Nut 8 required For Gray cast iron or WCC Carbon steel casing 1A345724122 For LCC Carbon steel or CF8M CF3M Stainless steel casing 1A3457K0012 24 Cap Screw 8 required For Gray cast iron or WCC Carbon steel casing 1A579724052 For LCC Carbon steel or CF8M CF3M Stainless steel 1A579...

Страница 10: ...END CONNECTION STYLE 1 PART NUMBER 3 4 In DN 20 Body 1 In DN 25 Body Gray cast iron NPT ERSA03695A0 ERSA03697A0 WCC Carbon steel NPT ERSA00231A1 ERSA00764A1 CL150 RF ERSA01470A0 ERSA01470A1 CL300 RF ERSA01470A2 ERSA01470A3 PN 16 25 40 RF ERSA01470A4 ERSA01470A5 CF8M CF3M Stainless steel 3 NPT 2 ERSA00231A0 ERSA00764A0 CL150 RF ERSA01470A6 ERSA01470A7 CL300 RF ERSA01470A8 ERSA01470A9 PN 16 25 40 RF...

Страница 11: ... 60 TO 72 IN LBS 6 8 TO 8 1 N m Table 4 Type T208 Trim Option Code TRIM OPTION CODE DIAPHRAGM MATERIAL DISK AND O RING MATERIAL OPERATING TEMPERATURE RANGES Standard Nitrile NBR Nitrile NBR 40 to 180 F 40 to 82 C VV Fluorocarbon FKM Fluorocarbon FKM 40 to 300 F 4 to 149 C TN Fluorinated Ethylene Propylene FEP Nitrile NBR 20 to 180 F 29 to 82 C TV Fluorinated Ethylene Propylene FEP Fluorocarbon FKM...

Страница 12: ...sponsibility 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 TORQUE 98 TO 126 IN LBS 11 1 TO 14 2 N m TORQUE 340 TO 470 IN LBS 38 5 TO 53 1 N m TORQUE 90 TO 126 IN LBS 10 2 TO 14 2 N m EXTERNAL SQUARE HEAD ADJUSTING SCREW ASSEMBLY OPTION...

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