Model "1000HP" Pressure Reducing Regulator,Graphite/Nbr Gaskets; 1" Size,Liquid Jet; Wcc Body,Wcb Spring Chamber; S2n Trim: Metal Seat,316SST Cylinder,416SST Plug,Neoprene (Bc);Diaphragm; Npt Screwed; 65-130 PSIG Range Spring; -25p Composite Bug Vent