... three way valves 4.size:1/2", 3/4", 1" 5.standard Why choice us?We have ... 7. Small order accepted.\NameDescriptionFounded time2003Specification:1/2", 3/4", 1"Mould material: P20, 2738 , ... :Depends on various kinds of steelMolding life:>1,000,000shotsNameplastic three way ball valveHardness of ... ISA, pressure, mpa, structure, surface, handle, standard, min, maximum, tempreture, connection, certification.