Model 1000HP Rev A Pressure Reducing Regulator For Standard Service; 1" Line Size, Gaseous Jet; Carbon Steel Body With Carbon Steel Spring Chamber; S3N Trim: 316 Stainless Steel Cylinder And Plug With BUNA-N (NBR) Seat, Neoprene (BC) Diaphragm; NPT End Connections; 65-130 PSIG Range Spring; OPT-26: 1/4" NPT Body Tap (No Pressure Gauge Included)