INSTALLATION, OPERATION, &
MAINTENANCE MANUAL
TITLE: F7000 / 8000 Series Rev. V
Pilot-Operated Safety Relief Valve Page 40 of 41
8.2 PILOT VALVE SOFTGOODS (cont’d) See Page 39 for terminal digits “D”, “X”, “Y”, & “Z”.
F300 Softgoods Kits:
P/N F300-DI-DXYZ Diaphragm-style (15 - 500 psig)
Contents (See drawings on Page 18): Qty.
Seat * 1
Diaphragm 1
Small face seal 3
Large face seal 1
Upper sleeve seal 1
Lower sleeve seal 1
Upper piston seal 1
Lower piston seal 1
Plug seal 1
BFP piston O-ring 1
BFP nozzle O-ring ** 1
Diaphragm fastener seal 1
Diaphragm support ring seal 1
BFP seal (Teflon) 1 * Hardness per Code”D” (P. 40)
Proportional band screw seal (Teflon) 1 ** on new pilots starting in 2019
P/N F300-LP-DXY LP piston-style (286 - 1480 psig), Conventional body (older valves)
F300-HP-DXY HP piston-style (501 - 6000 psig), Conventional body
F300IM-LP-DXY LP piston-style (286 - 1480 psig), ‘IM’-style body (older valves)
F300IM-HP-DXY HP piston-style (501 - 6000 psig), ‘IM’-style body
Qty.
Contents (See drawings on Pages 20-21): F300LP- F300HP- F300IM-LP- F300IM-HP-
Seat * 1 1 1 1
Small face seal 3 3 3 3
Large face seal 1 1 1 1
Inlet port face seal -- -- 1 1
Upper sleeve seal 1 1 1 1
Lower sleeve seal 1 1 1 1
Upper piston seal 1 2 1 2
Upper piston backup ring (Teflon) -- 2 -- 2
Lower piston seal 1 1 1 1
Sense piston O-ring 1 -- 1 --
Sense piston backup ring (Teflon) 1 -- 1 --
Plug seal 1 1 1 1
Plug O-ring -- -- 1 1
Plug backup ring (Teflon) -- -- 1 1
BFP piston O-ring 1 1 1 1
BFP nozzle O-ring ** 1 1 1 1
Diaphragm fastener seal 1 -- 1 --
Diaphragm support ring seal 1 1 1 1
Adapter seal 1 1 1 1
BFP seal (Teflon) 1 1 1 1
Proportional band screw seal (Teflon) 1 1 1 1
* Hardness per Code”D” (P. 41) ** on new pilots starting in 2019
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