Model "1000HP" Pressure Reducing Regulator,Graphite/Nbr Gaskets; 1/2" Size,Liquid Jet; Cf8m Body,Ductile Iron Spring Chamber; S1 Trim: 316SST Cylinder & Plug With Metal Seat,302SST Diaphragm; Opt-30: 300 Lb Raised Face Flanges; 150-300 PSIG Range Spring; Opt-14: Integral Seat