... .Stardard:BS,ANSI,DIN,JIS. 3.Material:PVC,PPR,PP 4.Colour:Available. Gas Valve for IrrigationSpecification1.Size:1/2''-2''2 ... .Stardard:BS,ANSI,DIN,JIS.3.Material:PVC,PPR,PP4.Colour:Available.Features1.Healthy and Non-Toxic,Free for stain and ... .Smooth inner wall,Reducing pressure loss and increasing flow speed.4.Low noise,reduced by40% compared to galvanized steel pipes.5 ...