Model "1000HP" Pressure Reducing Regulator,Graphite/Nbr Gaskets; 2" Size,Liquid Jet; Wcc Body,Wcb Spring Chamber; S2n Trim: Metal Seat,316SST Cylinder,416SST Plug,Neoprene (Bc);Diaphragm; Opt-30: 150 Lb Raised Face Flanges; 50-150 PSIG Range Spring; -25p Composite Bug Vent