Model 1000HP Rev A Pressure Reducing Regulator For Standard Service; 1" Line Size, Gaseous Jet; Sales Kit B; Carbon Steel Body With Carbon Steel Spring Chamber; S6 Trim: 316 Stainless Steel Cylinder And Plug With EPR Seat, EPDM Diaphragm; OPT-30: Mates With ASME 300 Raised Face Flanges;