ppr fittings/plastic ppr ball valve : 1.Well heat and corrosion resistance 2.Insulation 3.Long life span 4.Environm ppr fittings/plastic ppr ball valveconnection size:20mm(1/2"),25mm(3/4").32mm(1"),40mm(1.1/2"),50mm(2")Application:1. Cold and hot water systems of residence and commercial buildings.2. Transportation of industrial water supply and chemical materials.3. Pure water pipe system.4. ...