D59-AS9K-2MAE

Model DA5 Rev E Back Pressure Regulator; 2" Line Size; Sales Kit A; Stainless Steel Body With Stainless Steel Spring Chamber; S9 316L Stainless Steel Trim, PTFE Seat, Fluorosilicone Diaphragm, Fluorosilicone Static Seal, Stainless Steel/PTFE U-Cup Dynamic Seal;OPT-9: PTFE Diaphragm Cover, 0.020"; OPT-55: Cleaned For Oxygen Service Per Cashco Specification S-1134