Water Flow Switch,water flow indicator,water flow detector Model:Thread,Welded,Saddle,Flange Size:50,65,80,100,125,150,200mm water flow switch, water flow indicator, water flow detectorThread type: ZSJZ/S50/S65/S80/S100/S125/S150Welded type: ZSJZ/H50/H65/H80/H100/H125/150/200Saddle type: ZSJZ/A50/A65/A80/A100/A125/A150/A200Flange type: ZSJZ50-250Specifications:1) Size: 50mm, 65mm, 80mm,100mm, ...