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Parts Ordering

When corresponding with your local Sales Office about this 

equipment, always reference the equipment serial number or 

FS number that can be found on the nameplate.
When ordering replacement parts, reference the key number of 

each needed part as found in the following parts list. Separate 

kits containing all recommended spare parts are available.

Parts List

Note

In this parts list, parts marked NACE are 

intended for corrosion-resistant service 

as detailed in the NACE International 

Standard MR0175.

Key  Description 

Part Number

1  

Body

(1)

 

Ductile iron 

1000 psig / 69.0 bar maximum inlet pressure 

1 NPT   

30B3048X012 

2 NPT   

30B3096X012  

Steel 

2000 psig / 138 bar maximum inlet pressure  

1 NPT   

30B3051X012 

2 NPT   

30B7452X012

Steel, CL600 RF flanged

1500 psig / 103 bar maximum inlet pressure 

NPS 1 / DN 25   

40B6754X012 

NPS 2 / DN 50   

40B6756X012

Steel, CL300 RF flanged

750 psig / 51.7 bar maximum inlet pressure

NPS 1 / DN 25   

41B8978X012 

NPS 2 / DN 50   

41B8080X012

Steel, CL150 RF flanged

290 psig / 20.0 bar maximum inlet pressure

NPS 1 / DN 25   

43B8656X022 

NPS 2 / DN 50   

44B0666X012

Steel, BWE

1000 psig / 69.0 bar maximum inlet pressure

NPS 1 / DN 25   

33B6723X012 

NPS 2 / DN 50   

38B1688X012

Steel, PN 16/25/40 RF

580 psig / 40.0 bar maximum inlet pressure

NPS 1 / DN 25   

44B0386X012 

NPS 2 / DN 50   

44B3342X012

2* Orifice

9/16 in. / 14.3 mm 

Aluminum 1C4252X0012

303 SST   

1C425235032 

316 SST 

1C4252X0022

3 

Cap Screw (not shown), (2 required)

Steel 1A560724052

Stainless steel 

1A5607X0052

5 

Diaphragm Case

For Types 627BM, 627BMR, 627BHM

Ductile iron (not for Type 627BHM) 

ERAA50626A0

Steel ERAA50625A0

8 

Stem Guide

Stainless steel 

ERAA51322A0

9* 

Disk Assembly

316 Stainless steel holder and Nitrile (NBR) disk  ERAA49120A0

316 Stainless steel holder and Nylon (PA) disk  

ERAA49120A1

10 

Stem, 316 Stainless steel (NACE) 

ERAA51314A0

14 

Drive Pin, Stainless steel  

ERAA49515A0

15 

Lever, Carbon steel  

20B3063X012

16 

Lever Retainer, Plated steel  

30B3097X012

17 

Lever Pin

Stainless steel  

10B3083X012

316 Stainless steel (NACE)  

10B3083X022

18 

Lever Cap Screw (2 required)

Plated steel  

10B7454X012

316 Stainless steel (NACE)  

1B2905X0012

*Recommended spare part.

1. Bodies can be used for both standard and NACE constructions.

14.  To remove the diaphragm (key 23), remove the diaphragm 

connector nut (key 22) and lift off the diaphragm head 

(key 24) and diaphragm (key 23) from the connector 

assembly (key 21). Do not attempt to disassemble the 

connector assembly (key 21).

15.  Position the replacement diaphragm (key 23) on the 

connector assembly (key 21), install the diaphragm head 

(key 24) and connector nut (key 22), then torque to torque 

values shown in Table 4.

16.  If necessary, replace the guide retainer O-ring (key 48) and, 

set the guide retainer (key 26) aside, ready for assembly.

17.  On the pusher post (key 19) install the relief seal O-ring 

(key 28) and apply lubricant. Also, install the relief seal 

retainer (key 47), diaphragm connector assembly (key 21, 

with attached parts) relief spring (key 27), upper relief 

spring seat (key 33) and guide retainer (key 26). Torque the 

guide retainer (key 26) to torque values shown in Table 4.

18.  Hook the pusher post (key 19) (with attached parts) on 

the lever (key 15) to check the alignment of the holes in 

the diaphragm with the holes in the spring casing. If the 

holes do not line up, unhook the pusher post from the 

lever, hold the pusher post and rotate the diaphragm to the 

correct position.

19.  Install the lower spring seat (key 31) over the relief spring 

so it rests flat on the connector nut (key 22).

20.  Insert the diaphragm assembly into the diaphragm casing 

(key 5) and hook the pusher post on the lever (key 15).

21.  Install the control spring (key 32) and upper spring 

seat (key 33) and apply lubricant to the upper 

spring seat (key 33).

22.  Install the spring case (key 29) so that the screened 

vent assembly (key 30) is in the correct position for 

the application. Place the nameplates over the screw 

holes, insert the spring case cap screws (key 37) and 

finger tighten.

23.  Screw in the adjusting screw (key 35) to put slack into the 

diaphragm (key 23).

24.  Using a crisscross pattern, finish tightening the spring case 

cap screws (key 37) to torque values shown in Table 4.

25.  If necessary, refer to the installation and/or the Startup and 

Adjustment procedures.

26.  Install the adjusting locknut (key 34) after 

regulator adjustment.

9

627B Series

Содержание Fisher 627B Series

Страница 1: ...pecifications section Tables 1 and 2 or where conditions exceed any ratings of the adjacent piping or piping connections To avoid such injury or damage provide pressure relieving or pressure limiting devices as required by the appropriate code regulation or standard to prevent service conditions from exceeding those limits Additionally physical damage to the regulator could cause personal injury o...

Страница 2: ...agm Casing Pressure 1 See Table 2 Maximum Body Outlet Pressure 1 Types 627BM 627BMR and 627BHM only NPT Steel 2000 psig 138 bar Flanged Steel 1500 psig 103 bar Ductile iron 1000 psig 69 0 bar Orifice Size 9 16 in 14 3 mm Internal Relief Performance Type 627BMR Limited by field installed control line piping Elastomer Temperature Capabilities 1 2 Flow Coefficients See Table 3 Pressure Registration T...

Страница 3: ...ves away from the orifice Remote Vent Line Installation All 627B Series Regulators have a vent assembly installed in the 3 4 NPT spring case vent opening The vent assembly can be removed to install a remote vent line if necessary Remote vent lines must have the largest practical diameter It should be as short as possible with minimum number of bends or elbows Protect the remote vent opening agains...

Страница 4: ...re should be limited to approximately 100 psig 6 9 bar so the setpoint adjustment can be obtained 3 Only available with 9 16 in 14 3 mm orifice If a smaller orifice is installed the unit will not achieve published capacities Table 2 Maximum Spring and Diaphragm Casing Pressure 1 MAXIMUM PRESSURE DESCRIPTION DIAPHRAGM CASING MATERIAL TYPE 627BM TYPE 627BMR TYPE 627BHM psig bar psig bar psig bar Max...

Страница 5: ...startup release downstream pressure to prevent an overpressure condition on the diaphragm of the regulator In order to avoid an overpressure condition and possible equipment damage pressure gauges should always be used to monitor pressures during startup 1 Slowly open the upstream shut off valve 2 Slowly open the downstream shut off valve 3 Check all connections for leaks 4 Make final control spri...

Страница 6: ...e diaphragm casing O ring and stem assembly All pressure must be released from the diaphragm casing before performing these steps While using the following procedures refer to Figures 6 through 8 for key number locations Replacing the Disk Assembly and Orifice 1 To inspect and replace the disk assembly key 9 or orifice key 2 remove the cap screws key 36 and separate the diaphragm casing key 5 from...

Страница 7: ...8 To assemble stem assembly insert stem key 10 into stem guide key 8 19 Apply a small amount of threadlock to the spring seat retainer key 78 Compress spring key 79 with spring seat key 77 and torque spring seat retainer key 78 to torque values shown in Table 4 while holding stem Excess threadlock can interfere with the operation of the regulator and potentially create unsafe conditions 20 Insert ...

Страница 8: ...hragm casing before these steps can be performed While using the following procedures refer to Figures 6 through 8 for key number locations 1 Remove the adjusting screw cap key 36 loosen the lock nut key 34 and turn the adjusting screw key 35 counterclockwise until all compression is removed from the control spring key 32 2 Remove the spring case cap screws key 37 the nameplates and lift off the s...

Страница 9: ...X012 316 Stainless steel NACE 1B2905X0012 Recommended spare part 1 Bodies can be used for both standard and NACE constructions 14 To remove the diaphragm key 23 remove the diaphragm connector nut key 22 and lift off the diaphragm head key 24 and diaphragm key 23 from the connector assembly key 21 Do not attempt to disassemble the connector assembly key 21 15 Position the replacement diaphragm key ...

Страница 10: ... Zinc plated steel 1A767524662 77 Spring Seat Stainless steel ERAA50118A0 78 Spring Seat Reatiner Stainless steel ERAA50115A0 79 Spring Stainless steel ERAA50082A0 NACE ERAA50061A0 80 O ring Disk Holder ERAA49442A0 81 O ring Stem Small ERAA49363A0 82 O ring Stem Large ERAA49364A0 83 Back up Ring Small ERAA49365A0 84 Back up Ring Large ERAA49366A0 88 O Ring Blocked Throat 1D541506992 89 Back up Rin...

Страница 11: ...A50665_AB Figure 6 Type 627BM Regulator Assembly ERAA49923_AB APPLY LUBRICANT 1 L1 MULTI PURPOSE LITHIUM POLYMER TYPE GREASE L2 EXTREME LOW TEMPERATURE BEARING GREASE T1 APPLY THREADLOCK 1 Lubricants must be selected such that they meet the temperature requirements APPLY LUBRICANT 1 L1 MULTI PURPOSE LITHIUM POLYMER TYPE GREASE L2 EXTREME LOW TEMPERATURE BEARING GREASE T1 APPLY THREADLOCK 1 Lubrica...

Страница 12: ...ve the right to modify or improve the designs or specifications of such 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 purcha...

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