Model P1 Rev A Single Stage Pressure Reducing Regulator; 1/2" Line Size, Cv=0.20; Stainless Steel Body With Stainless Steel Spring Chamber; Trim Code Q: 302 Stainless Steel Diaphragm WIth PTFE Liner, PTFE Seat, 316L Stainless Steel Seat Retainer And Poppet; Inconel X-750 Poppet Spring; Port Configuration C; Tube End Connections; 2-50 PSIG Range Spring; 0-60 PSIG Outlet Gauge; No Inlet Gauge; Self-Relieving; Cleaned For Non-Oxygen Service Per Cashco Specification S-1542