9300 Series Standard Materials

Pilot Main Valve for API Orifice

Part#Component NameStandard MaterialsOptional Materials
1 BoltsCarbon Steel 
2 Valve BonnetCarbon Steel 
3 O-RingFluorocarbon++
4 Piston GuideStainless Steel316 SS
5 Spring302 SS316 SS
6 O-RingFluorocarbon++
7 Valve Piston316 SST6 Alum
8 Valve Disc17-4 PH SS316 SS
9 Seat Holder17-4 PH SS316 SS
10 Seat InsertTFPE/FC++
11 O-RingFluorocarbon++
12 Nozzle316 SSN/A
13 O-RingFluorocarbon++
14 Valve BodyCarbon Steel 
15 Pilot Tube316 SSN/A
16 Data Label316 SSN/A
17 Drive Screws18-8 SSN/A

Pilot Main Valve for Full Bore Orifice

Part#Component NameStandard MaterialsOptional Materials
1 Valve BonnetCarbon Steel 
2 Valve BodyCarbon Steel 
3 Piston GuideStainless Steel316 SS
4 Valve Piston316 SST6 Alum
5 Seat Holder17-4 PH SS316 SS
6 Seat InsertTFPE/FC++
7 Nozzle316 SSN/A
8 Pilot Tube316 SSN/A
9 2-134 O-RingFluorocarbon++
10 2-224 O-RingFluorocarbon++
11 2-231 O-RingFluorocarbon++
12 Spring302 SS316 SS
13 Hex BoltCarbon Steel 

Pilot Valve Exploded View

Part#Component NameStandard Materials
1 Body316 SS
2 O-RingFluorocarbon
3 Filter Cap316 SS
4 Filter***
5 O-RingFluorocarbon
6 Seat Adjustment Bushing316 SS
7 O-RingFluorocarbon
8 Jam Nut18-8 SS
9 Blowdown Adjust Housing316 SS
10 Reseat Piston316 SS
11 Seat Retainer316 SS
12 O-RingFluorocarbon
13 O-RingFluorocarbon
14 Seat316 SS
15 Push Rod316 SS
16 WasherPTFE
17 Rod Guide316 SS
18 Guide Retainer316 SS
19 O-RingFluorocarbon
20 Spindle Guide316 SS
21 O-RingFluorocarbon
22 Spindle316 SS
23 Spring Housing316 SS
24 Spring Keeper316 SS
25 Spring17-7 SS
26 Adjust Screw316 SS
27 Jam Nut18-8 SS
28 Cap316 SS
29 Pipe Plug 1/4 NPT316 SS
30 Shuttle Valve316 SS
31 O-RingFluorocarbon
32 O-RingFluorocarbon
33 Shuttle Valve Nut316 SS
34 Lead Seal Wire3 PLY SS
35 Label18-8 SS
36 Drive Screws18-8 SS
37 Cap Screws18-8 SS
38 Vent316 SS
39 Shim316 SS