... materials PPValve Body Material POMValve core materials SRTemperature -15°C-60°CApply pressure 0.02- 0.6 ... in the southwest, the east China area and cooling tower, environmental protection, anticorrosion, chemical industry, solar equipment etc ... corrosion resistance, wide adaptability. In the solar energy, cooling tower, environmental protection, anticorrosive, chemical industry and other areas of ...