Model "1000HP" Pressure Reducing Regulator,Graphite/Nbr Gaskets; 1-1/2" Size,Gaseous Jet; Wcc Body,Wcb Spring Chamber; S1 Trim: 316SST Cylinder & Plug With Metal Seat,302SST Diaphragm; Special CL1500 Flanges (Custom Face to Face); 80-225 PSIG Range Spring; Opt-12+14+15: One-Step Reduced Orifice,Integral Seat,Stellited Seat;SuRFace