Swing Check Valve with Counterweight or Damper

For big sizes swing check valves, chattering issues can occur due to heavier weights of discs. The swing check valves with counterweight or damper grant a good performance of the anti-hammer effect. Thanks to the presence of the counterweight, that acts automatically when the flow stops.

 

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Key Specifications / Features

There may be serious damping for on big size pipelines. When the flow from the pipeline is suddenly reversed,  there may be cracking between teh seat and disc. The conterweight or damper device is deisgned to avoid the cracking.

The swing check valves with counterweight or damper can be applied for both horizontal and vertical installations. For installation in vertical flow lines, we recommend to turn the counterweight 90° clockwise, so that, when the valve is ready for use, the counterweight or damper will be in horizontal position.

 

The swing check valves with counterweight Drawing

 

Two designs of swing check valves with counterweight for Options

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