Type 627F
10
Type 6351F Pilot (Figure 4)
Key Description
Part Number
Parts Kit (included are keys 4, 6, 7, and 23)
R6351X00012
1
Body Assembly, Stainless Steel
1B7971X0322
2
Spring Case, Aluminum
25A6220X012
3 Body Plug Assembly
Aluminum/Nitrile (NBR)
18B6542X022
Aluminum/Fluorocarbon (FKM)
18B6542X042
Stainless steel/Nitrile (NBR)
18B6542X052
Stainless steel/Fluorocarbon (FKM)
18B6542X062
4* Inner Valve Plug
Stainless steel/Nitrile (NBR)
20B9389X022
Stainless steel/Fluorocarbon (FKM)
20B9389X062
6* Valve spring, Steel
1B797937022
7* Diaphragm Assembly
Aluminum/Nitrile (NBR)
1B7980000B2
Aluminum/Fluorocarbon (FKM)
1B7980000C2
Aluminum/Nitrile (NBR)
1B7980X00A2
8
Upper Spring Seat, Plated steel
1B798525062
9
Control Spring, Plated steel spring wire
5 to 35 psig / 0.34 to 2.4 bar, Unpainted
1B788327022
35 to 100 psig / 2.4 to 6.9 bar, Red
1K748527202
10 Adjusting Screw, Plated steel
10B7192X012
11 Locknut, Zinc-plated steel
1A946324122
12 Machine Screw, Carbon steel (6 required)
10B6189X022
22 Pipe Nipple, Galvanized plated steel
1C488226232
24 Filter, Type P594-1 (optional)
AJ5004000A2
28 Closing Cap, Aluminum
1H2369X0012
35 Vent Assembly, Type Y602X1-A12
27A5516X012
44 Restriction, Carbon-plated steel
High Gain
17A7279X012
Medium Gain
17A2029X012
Low Gain
17A7277X012
Figure 3.
Type 627F Main Regulator Assembly (continued)
OPTIONAL PILOT SUPPLY TUBING
TYPE 6351F
PILOT
TYPE 627F
ACTUATOR
42B1863-D
Type 627F Main Regulator (Figure 3)
(continued)
Key Description
Part Number
23* Diaphragm, Nitrile (NBR)
Aluminum or Ductile iron diaphragm case
10B3069X012
Steel diaphragm case
10B8735X012
24 Diaphragm Head, Plated steel
1D666428982
29 Spring Case
Aluminum
40B3086X012
Ductile iron
30B3055X012
Steel
30B3102X012
31 Lower Spring Seat, Plated steel
1D666625072
32 Tension Spring, Plated steel
12B3306X012
34 Locknut, Plated steel
1E944024112
36 Closing Cap
Brass
1E543314012
Aluminum
1E5433X0012
Stainless steel
1E5433X0022
37 Spring Case Cap Screw (8 required)
Aluminum
1A391724052
Ductile iron
1A391724052
Steel
1A368324052
39 Nameplate
- - - - - - - - - - -
53 Spring Retainer, Plated steel
1H855224102
54 Diaphragm Connection, Plated steel
12B3301X012
55* Gasket, Nylon (PA)
12B3302X012
56 Reducing Nipple, Plated steel
12B4987X012
58 Pipe Plug, Steel
1A767524662
59 Elbow, Plated steel (optional) (2 required)
15A6002XW32
60 Pilot Supply Tubing, Steel (optional)
With Type P594-1 filter
0500213809W
Without filter
0500213809W
61 Spring Seat Bolt, Plated steel
12B3303X012
62 Washer, Plated steel
1B865928982
63* Closing Cap Gasket
12B1862X012
67 Drive Screw (2 required)
Aluminum
1A368228982
Ductile iron
1A368228982
Steel
1A368228982
*Recommended Spare Parts
59
60