Model "P1", Single Stage Pressure Reducing Regulator; 1/4" Size, Cv'=0.02; 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 "A"; Fnpt End Connection; 1-10 PSIG Range Spring; No Outlet Gauge; No Inlet Gauge