- Application: Cylinder Filling Systems
- Size - FNPT: 1"
- Spring Range: 50 - 150
B166 Ball Spring (Heavy Duty) - 140680
B166 Center Headbolt Gasket - Steel - 140947
B166 O-Ring - Buna-N - 140938
B166 O-Ring - Buna-N - 140929
B166 O-Ring - Teflon® - 140965
B166 Relief Spring (25 to 60 psi) - 140608
B166 Relief Spring (50 to 150 psi) - 140630
B166 Relief Spring (100 to 225 psi) - 140663
B166 Socket Head Cap Screw - 3/8-16 X 7/8" (Qty. 4) - 140520
B166 Spring Seal - 140393
B166 Valve - 140664