D56-4PSK-8AD

Model "DA5" Back Pressure Regulator (Series V)-BPV; Body Size 1",Standard Diaphragm Construction; Sales Kit A; Carbon Steel Body,Cast Iron Spring Chamber; P Trim: 17-4ph SST Trim With V-Tfe Seat / Gasket,1-Ply;Fluorocarbon Elastomer(Hk)(@0.050 In.) & 1-Ply Tfe Diaphragm; V-Tfe U-Cup Static Seal W/SST Energizer,V-Tfe U-Cup Dynamic;Seal W/SST Energizer