Model 1000HP Rev A Pressure Reducing Regulator For Standard Service; 2" Line Size, Gaseous Jet; Sales Kit B; Carbon Steel Body With Carbon Steel Spring Chamber; SB Trim: 316 Stainless Steel Cylinder And Plug With BUNA-N (NBR) Seat, BUNA-N (NBR) Diaphragm; OPT-30: Mates With ASME 150 Raised Face Flanges