A64-3BB7-1FF00000B

Model "PBE-H", Revision B, Pressure Build Regulator & Economizer For Cryogenic Service (Requires Cryogenic Lubricants During Assembly); 1/2" Line Size; Bronze Body & Spring Chamber, Opt-55: Oxygen Cleaning Per Cashco Specification S-1134; B9b Trim: Brass With Tfe Seat, Phos. Bronze Diaphragm; NPT Threaded End Connections; Opt-80: 100-250 PSI Range Spring; Opt-21: Strainer; Stainless Steel Vented Spring Chamber Plug