Model "1000LP" Pressure Reducing Regulator,Tfe/Al-Silicate Gaskets; 3/4" Size,Gaseous Jet; Sales Kit B; Wcb Body & Spring Chamber; S1 Trim: Metal Seat,316SST Cylinder & Plug,302SST Diaphragm; Opt-30: 150 Lb Raised Face Flanges; 12-30 PSIG Range Spring; Opt-12+14+15: One-Step Reduced Orifice,Integral Seat,Stellited Seat;SuRFace