Pipe clamp valve installation and maintenance (1) the bottom of the electric contact tank plastic pipe inserted into the small valve at one end of the hose, the other end of the plastic pipe into the outlet extends to the electrical contact groove and then use copper wire or stainless steel hoops tie both ends . (2) long time use, if there is wear or leakage, as long as the left and right valve body to open the pipe cover, the valve can be long-term use.