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