Water Flow Indicator 1.Model:ZSJZ(A),ZSJZ(B) 2.Welded 3.Material:Ductile iron 4.Nominal diameter:DN50-DN200 Water Flow Indicator1.Nominal:50mm,65mm,80mm,100mm,125mm,150mm,200mm2.Rated working pressure:1.2Mpa3.Delay time:2-90S 4.Sensitivity:5-37.5L/min5.ntacts capacity:C220V/3A DC24V/1A Water Flow Indicator