Model "P1", Single Stage Pressure Reducing Regulator; 1/4" Size, Cv'=0.06; 316l SST Body, 316l SST Spring Chamber; 302 SST W/Tefzel Ring Diaphragm,Pctfe Seat,316l SST Seat;Retainer,316l SST Poppet,Inconel X-750 Poppet Spring,Port;Configuration "C"; Fnpt End Connection; 10-750 PSIG Range Spring; 0-1000 PSIG Outlet Gauge; No Inlet Gauge; Captured Vent; Self-Relieving