Professional Industrial Valves Manufacturer

The check valve installation and maintenance

by:Mech     2020-11-12

1. Do not make the check valve in the line to bear weight, large check valve shall be independent support, make it not affected by the pressure caused by the piping.

2, vertical elevating disc check valve should be installed in vertical pipe runs.

3, elevating the level of disc check valve should be installed in horizontal pipe runs.

4, install the check valve, should pay special attention to flow direction of medium, should make medium and normal flow direction of arrow on Industrial Valves 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.

5, 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.

6, general formula lift check Industrial Valves should be installed in horizontal pipe road, vertical lift check valve and bottom valve is generally installed in vertical pipe, and the medium flows from bottom to top.

7, single swing check valves are generally applicable to medium caliber. Large diameter single swing check valve is used in the pipeline, to reduce the water hammer pressure, had better use can reduce the water hammer pressure slowly-closing check valve.

8, double disc swing check valve applicable Yu Dazhong diameter pipeline. Double disc swing check Industrial Valves to the clamp structure is small, light weight, is a kind of check valve fast development; More disc swing check valve is suitable for large diameter pipeline.

9, the 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.


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