8C4-A36K-CBC

Model 123 Rev C Back Pressure Regulator, PTFE Gaskets; 1/2" Line Size; 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 With PTFE Seat, 302 Stainless Steel Diaphragm; 90-150 PSIG Stainless Steel Range Spring