D55-4PZ7-1S500000E

Model DA5 Rev E Back Pressure Regulator; 3/4" Line Size; Carbon Steel Body WIth Ductile Iron Spring Chamber; PZ 17-4PH Stainless Steel Trim, 316L Stainless Steel Cage, Fluorocarbon Seat, Fluorocarbon Diaphragm, Fluorocarbon Static Seal, Stainless Steel/PTFE U-Cup Dynamic Seal; NPT End Connections; 1-10 PSIG Range Spring; Internal Sensing