Dixon Powhatan Factory Set Pressure Reducing Brass Valve is a true combination shut-off and pressure reducing valve. 1 1/2" size reduces inlet pressure of 300 PSI or less to working pressures of 10 through 175 PSI. 2 1/2" size reduces inlet pressures of 400 PSI or less to desired working pressures from 20 through 175 PSI under discharge or static conditions. Female x female valves are furnished with OPEN/CLOSED indicator Bonnet for rapid confirmation of the valves status in the system. Valves are tamper resistant and made of cast brass.