How to install industrial check valves? How should they be used?
4, the check valve closes, will produce water hammer in pipeline pressure, will lead to serious damage to the valve and piping or equipment, especially for the big pipe or high pressure pipeline, it should pay attention to those who use check valve. (end)Check valve to have two kinds, one is installed in the pump before the vertical Straw end, the purpose is to take out a water pump to charge a water pump and pump, because Straw in the anhydrous pump only idle pumping Sheung Shui, so the pump must be filled with water to produce water. The installation of this pump is a kind of method is higher than the water level when the negative pressure is also called method such as drawing water from wells. Another method is the liquid level above the pump pump installation, for this method of using two water supply, because the liquid level above the pump to start and stop the pump when convenient do not turn off the pump outlet valve, the check valve should be installed in the pump in the rear.
3, when installing check valve, should pay special attention to medium flow direction, should make medium normal flow direction and the direction of the arrow on the body is consistent, otherwise it will cut off the normal flow of media. Valve should be installed at the bottom of the pump suction pipe.
1, straight through lift type check valve should be installed in horizontal pipe, vertical lift check valve and bottom valve is usually installed in a vertical pipe on the road, and the bottom-up flow of media.2, swing check valve installation location is not appropriate, usually installed in the horizontal pipe, but can also be installed in the vertical pipe or inclined pipe line.
