The Pressure-Tru® ZW4000 2-1/2" Pressure Reducing Fire Hose Valve with grooved inlet and male hose thread is factory set, and listed as a standpipe valve for individual hose stations in CLASS I and CLASS III systems.
2-1/2" pressure reducing fire hose valve with grooved inlet connection and specified hose thread (3") - U flow curve factory setting.
Factory set outlet pressure setting.
Special hose threads available as an option.
Available with rough chrome finish.
Regulates pressure under both FLOW and NO-FLOW conditions.