D89-5P&K-ZAD

Model "DA8" Differential Back Pressure Regulator (Series VIII)-PDBPV; Body Size 2",Standard Diaphragm Construction; Sales Kit A; Carbon Steel Body & Carbon Steel Spring Chamber,1/8"Steel Petcock Vent; P Trim: 17-4ph SST Trim With Ctfe Seat / Gasket,Neoprene;Diaphragm; Buna-N(Nbr) Static Seals,Tfe U-Cup W/SST Energizer Dynamic Seal;