Model P7, Rev A, High Flow/Sensitivity Pressure Reducing Regulator; 3/4" Size, Cv=0.8; 316L Stainless Steel Body, Trim, And Spring Chamber; TFE Main Valve Seat, CTFE Vent Valve Seat, Porting Configuration A; 300# RF Flange Connections; 10-300 PSIG Range Spring; No Outlet Gauge; Non-Vented Construction For Spring Loaded Design