D56-HH97-4B5000N0E

Model DA5 Rev E Back Pressure Regulator; 1" Line Size; Hastelloy C Body With Stainless Steel Spring Chamber; H9 Hastelloy C Trim, PTFE Seat, Fluorosilicone Diaphragm, Fluorosilicone Static Seal, Hastelloy C/PTFE U-Cup Dynamic Seal; OPT-30: Mates With ASME 150 Raised Face Flanges; 10-35 PSIG Range Spring; Internal Sensing; OPT-56: Cleaned For Non-Oxygen Service Per Cashco Specification S-1542