Model P1 Rev A Single Stage Pressure Reducing Regulator; 1/4" Line Size, Cv=0.06; Stainless Steel Body With Stainless Steel Spring Chamber; Trim Code P: Complies With NACE MR0175 When Configured With Stainless Steel Body And Spring Chamber, Inconel 718 Diaphragm With PTFE Liner, PCTFE Seat, 316L Stainless Steel Seat Retainer And Poppet, Inconel X-750 Poppet Spring; Port Configuration A; NPT End Connections; 10-750 PSIG Range Spring; No Outlet Gauge; No Inlet Gauge