Model P1, Rev A, Single Stage Pressure Reducing Regulator; 1/4" Size, Cv=0.06; 316L Stainless Steel Body, 316L Stainless Steel Spring Chamber; 302 SST W/Tefzel Ring Diaphragm,Pctfe Seat,316l SST Seat;Retainer,316l SST Poppet,Inconel X-750 Poppet Spring,Port;Configuration "E"; FNPT End Connection; 3-250 PSIG Range Spring; 0-300 PSIG Outlet Gauge; 0-600 PSIG Inlet Gauge; Panel Mount; Self-Relieving And Mechanical Stops