... " 2)Material:ABS, PE,NR 53)Usage:Cooling tower, heat exchange INTRODUCTIONDetailsNameOKD-20Silk mouth specificationsG3/4 ( ... , the east China area and cooling tower, environmental protection, anticorrosion, chemical industry, solar equipment etc widely used ... adaptability. In the solar energy, cooling tower, environmental protection, anticorrosive, chemical industry and other areas of different medium ...