... 2" 2)Material:ABS, PE,NR 51)Usage:Cooling tower, heat exchange INTRODUCTION DetailsNameOKD-DN50Silk mouth specifications2'' ( ... in the southwest, the east China area and cooling tower, environmental protection, anticorrosion, chemical industry, solar ... corrosion resistance, wide adaptability. In the solar energy, cooling tower, environmental protection, anticorrosive, chemical industry and other areas ...