8D8-AS9K-1MBC

Model 123 Rev C Back Pressure Regulator, OPT-45: PTFE Gaskets; 1-1/2" Line Size; Sales Kit B; Stainless Steel Body With Stainless Steel Spring Chamber; S9 Trim: 316 Stainless Steel With PTFE Seat, PTFE Coated 302 Stainless Steel Diaphragm; 2-15 PSIG Range Spring; OPT-55: Cleaned For Oxygen Service Per Cashco Specification S-1134