Model P1 Rev A Single Stage Pressure Reducing Regulator; 1/4" Line Size, Cv=0.20; Stainless Steel Body With Stainless Steel Spring Chamber; Trim Code 3: 302 Stainless Steel Diaphragm With PTFE Gasket, PTFE Seat, 316L Stainless Steel Seat Retainer And Poppet, Inconel X-750 Poppet Spring; Port Configuration F; NPT End Connections; 5-500 PSIG Range Spring; 0-600 PSIG Outlet Gauge; 0-1000 PSIG Inlet Gauge