Model 1000HP-1+6 Rev B Pressure Reducing Regulator For Standard Service; Single Diaphragm; Graphite/NBR Gaskets; Includes Closing Cap; 1" Line Size, Liquid Jet; Sales Kit B; Carbon Steel Body With Carbon Steel Spring Chamber; S1 Trim: 316 Stainless Steel Cylinder And Plug With Metal Seat, 302 Stainless Steel Diaphragm; NPT End Connections; 30-60 PSID Range Spring