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 lter 0500213809W
Without lter 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
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