... 2" 2)Material:ABS, PE,NR 53)Usage:Cooling tower, heat exchange INTRODUCTIONDetailsNameOKD-20Silk mouth specificationsG3/4 (DN20)Float ... equipment etc widely used in, especially for high and low a water tank, water tower of water level automatic control, product ... , easy installation, flexible adjustment. Can be installed at any Angle adjustment. Avirulent insipidity, lead-free salt stabilizer, can be ...