Gas Valve for Irrigation 1.Size:1/2''-2'' 2.Stardard: ... ,DIN,JIS. 3.Material:PVC,PPR,PP 4.Colour:Available. Gas Valve for IrrigationSpecification1.Size:1/2''-2''2.Stardard:BS ... corrosion resistance.7.Easy and fast installation,Making lost minimized. Gas Valve for Irrigation