Model 1000HP Rev A Pressure Reducing Regulator For Standard Service; 3/4" Line Size, Gaseous Jet; Stainless Steel Body With Stainless Steel Spring Chamber; S36 Trim: 316 Stainless Steel Cylinder And Plug With PTFE Seat, 302 Stainless Steel Diaphragm; NPT End Connections; 90-170 PSIG Range Spring; OPT-56: Cleaned For Non-Oxygen Service Per Cashco Specification S-1542