VALVE:1/2" X 1-1/2";FNPT X MNPT;PILOT OPERATED;BTM ,LOW SPRING 60-500 PSI TRIP 170 PSI ,HIGH SPRING 180-850 PSI TRIP 700 PSI;MFG:PRESCO,P/N:,MFG:WOOD GROUP PRESSURE CONTROL,P/N:32000224