Model 1000HP Rev A Cryogenic Pressure Reducing Regulator; 1" Line Size, Gaseous Jet; Sales Kit B; Stainless Steel Body With Stainless Steel Spring Chamber, OPT-36: Cryogenic Construction, OPT-55: Cleaned For Oxygen Service Per Cashco Specification S-1134; S36 Trim: 316 Stainless Steel Cylinder And Plug With PTFE Seat, 302 Stainless Steel Diaphragm; OPT-30: Mates With ASME 300 Raised Face Flanges; 10-30 PSIG Stainless Steel Range Spring