Selection standard of check valve

Selection standard of check valve

1. In order to prevent reverse flow of medium, check valves should be installed on equipment, devices and pipelines;

2. Check valve is generally suitable for clean media, not for media with solid particles and high viscosity;

3. Generally, the horizontal lifting check valve should be used in the horizontal pipeline with nominal diameter of 50 mm;

4. Straight through lifting check valve can only be installed in horizontal pipeline;

5. For the pump inlet pipeline, the bottom valve should be selected. Generally, the bottom valve is only installed on the vertical pipeline at the pump inlet, and the medium flows from bottom to top