PVC flange specification and size comparison table
PVC flange specification and size comparison table PVC is widely used in water and sewer pipes, flanges are basically small flanges 200 and below, specifications are
How to replace the spool of PVC ball valve
How to replace the spool of PVC ball valve First turn off the water valve, and prepare a screwdriver, the handle next to the set
Water dispenser float valve installation method?
Water dispenser float valve installation method? The method of installing the float valve of the water dispenser is actually quite simple. Generally speaking, the float
How to judge the switching direction of the ball valve?
How to judge the switching direction of the ball valve? In most cases, turning the ball valve counterclockwise will open the valve. If it is
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