1C4-A36K-FBA

Model BQ Rev A Back Pressure Regulator, PTFE Gaskets; 1/2" Inlets,1/2" Outlet; Sales Kit B; Stainless Steel Body With Stainless Steel Spring Chamber, OPT-36: Cryogenic Construction; S36 Trim: 316 Stainless Steel With PTFE Seat, 302 Stainless Steel Diaphragm; 140-210 PSIG Stainless Steel Range Spring;