24.  Using a crisscross pattern, finish tightening the spring 
case cap screws (key 37) to 7 ft-lbs / 9.5 N•m of torque.
25.  If necessary, refer to the installation and/or the Startup 
and Adjustment procedures.
26.  Install the adjusting locknut (key 34) after 
regulator adjustment.
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.
See Type OS2 Instruction Manual (D102778X012) for 
slam-shut parts.
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
Type 627 Parts Kit with Aluminum/Nitrile (NBR) trim
(include keys 4, 9, 11, 12 and 23)   R627X000A12
Type 627 Parts Kit with Stainless steel/
Nitrile (NBR) trim 
(include keys 4, 9, 11, 12 and 23)   R627X000S12
Type 627H Parts Kit with SST/Nylon (PA) trim  R627HX00S12
Type 627R Parts Kit with Aluminum/
Nitrile (NBR) trim 
(include keys 4, 9, 11, 12, 23, 28 and 48)   R627RX00A12
Type 627R Parts Kit with Stainless steel/
Nitrile (NBR) trim
(include keys 4, 9, 11, 12, 23, 28 and 48)   R627RX00S12
1   Body
(1)
 
Ductile iron 
1000 psig / 69.0 bar maximum inlet pressure 
3/4 NPT   30B3046X012 
1 NPT    30B3048X012 
1-1/4 NPT  ERAA42554A0
2 NPT    30B3096X012 
Ductile iron (Long Body) 
1000 psig / 69.0 bar maximum inlet pressure 
1 NPT    39B2451X012 
2 NPT    39B0414X012 
Steel 
2000 psig / 138 bar maximum inlet pressure 
3/4 NPT    30B3050X012 
1 NPT    30B3051X012 
2 NPT    30B7452X012
Steel (Long Body)
2000 psig / 138 bar maximum inlet pressure 
1 NPT    39B0412X012 
2 NPT    39B0415X012
1   Body
(1)
 (continued)
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
Stainless Steel
(2)
, NPT
2000 psig / 138 bar maximum inlet pressure 
3/4 NPT  30B3050X062
1 NPT   30B3051X092
2 NPT    30B7452X052
Stainless Steel
(2)
, CL150 RF flanged
275 psig / 18.9 bar maximum inlet pressure 
NPS 1 / DN 25  43B8656X052
NPS 2 / DN 50   44B0666X022
Stainless Steel
(2)
, CL300 RF flanged
720 psig / 49.6 bar maximum inlet pressure 
NPS 1 / DN 25  41B8978X072
NPS 2 / DN 50   41B8080X072
Stainless Steel
(2)
, CL600 RF flanged
1440 psig / 99.2 bar maximum inlet pressure 
NPS 1 / DN 25  40B6754X102
NPS 2 / DN 50   40B6756X062
Stainless Steel
(2)
, PN 16/25/40 RF 
580 psig / 40.0 bar maximum inlet pressure 
NPS 1 / DN 25   44B0386X032
NPS 2 / DN 50  44B3342X032
Type 627OSX Bodies, Steel
Without Tap
NPS 1 / DN 25
NPT   ERAA33145A0
SWE ERAA31302A0
CL150 RF  ERAA44998A0
CL300 RF  ERAA45039A0
CL600 RF  ERAA45040A0
NPS 2 / DN 50
NPT   ERAA33146A0
SWE ERAA32902A0
CL150 RF  ERAA45027A0
CL300 RF  ERAA45029A0
CL600 RF  ERAA45031A0
With Tap
NPS 1 / DN 25
NPT   ERAA34615A0
SWE ERAA34616A0
CL150 RF  ERAA45033A0
CL300 RF  ERAA45038A0
CL600 RF  ERAA45041A0
NPS 2 / DN 50
NPT   ERAA34618A0
SWE ERAA34619A0
CL150 RF  ERAA45028A0
CL300 RF  ERAA45030A0
CL600 RF  ERAA45032A0
Key  Description  Part Number
*Recommended spare part.
1. Bodies can be used for both standard and NACE constructions.
2. Stainless steel body material can be used for applications in temperature ranges down to -40°F / -40°C and are only available for Types 627, 627R and 627H.
14
627 Series