The installation and use of industry commonly used check valve
Straight-through lift check valve should be installed in horizontal pipe road, vertical lift check valve and bottom valve is generally installed in a vertical tube road, and the medium flows from bottom to top. Swing check valve installation position wrong limits, are normally installed in horizontal pipe, but also can be installed in vertical lines, or pour material on the pipeline. Install the check valve, should pay special attention to flow direction of medium, should make medium and normal flow direction of arrow on valve body direction is consistent, otherwise it will be truncated normal flow of the medium. Bottom valve should be installed at the bottom of the pump suction pipe. Check valve is closed, will be in the middle water hammer pressure tube, will lead to serious damage to valves and piping or equipment, especially for big or high pressure pipe lines, reason should be the height of the check valve selection is attention.