D59-6S9K-2AE

Model DA5 Rev E Back Pressure Regulator; 2" Line Size; Sales Kit A; LCC Steel Body With LCC 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"