Model "1000HP" Pressure Reducing Regulator,Graphite/Nbr Gaskets; 1" Size,Opt-27: Viscous Jet; Wcc Body,Wcb Spring Chamber; S2 Trim: 316SST Cylinder,416SST Plug With Metal Seat,302SST Diaphragm; Opt-30: 150 Lb Raised Face Flanges; 50-70 PSIG Range Spring