Model 1000HP Rev A Pressure Reducing Regulator For Standard Service; 3/4" Line Size, Gaseous Jet; Sales Kit B; Carbon Steel Body With Ductile Iron Spring Chamber; S3 Trim: 316 Stainless Steel Cylinder And Plug With PTFE Seat, Neoprene (BC) Diaphragm; OPT-30: Mates With ASME 150 Raised Face Flanges