1C4-A367-1CX51214A

Model "BQ" Back Press Relief Regulator, Tfe Gaskets; 1/2" Inlets,1/2" Outlet; Cf8m Body & Spring Chamber (Opt-36), Cryogenic Construction;Opt-55: Cleaned For Oxygen Service Per Spec #S-1134; S36 Trim: 316SST With Tfe Seat,302SST Diaphragm; Npt Screwed; 20-75 PSIG SST Range Spring; With Special -425°F Rating;