What to pay attention to in the installation of check valves
Clamp type rubber duckbill valve over solid materials, but there are certain installation restrictions. General over the liquid, water flows down, water as long as it is large enough to open the duckbill valve, so that it works properly, but if it is a solid material, we need to master its installation direction, generally need to be installed vertically, only the vertical installation of the duckbill valve, in order to make the material through the time without obstacles. A, straight lift check valve should be installed in the horizontal pipeline, vertical lift check valve and bottom valve is generally installed in the vertical pipeline, and the media flow freely. Second, swing check valve installation position is not properly restricted, usually installed in the horizontal pipeline, but can also be installed in the vertical pipeline or dump material pipeline. Third, the installation of check valve, should pay special attention to the direction of media flow, should make the normal direction of media flow and the direction of the arrow indicated on the valve body, otherwise it will cut off the normal flow of media. Bottom valve should be installed at the bottom of the pump suction line. Fourth, when the check valve is closed, it will produce water hammer pressure in the pipeline, which will seriously lead to damage to the valve, pipeline or equipment, especially for large mouth pipeline or high pressure pipeline, so it should draw the high attention of the check valve selector.
