Swing check valve is one of the most widely used products in the check valve series. Its disc is disc-shaped and rotates around the hinge shaft, forming a streamlined flow passage inside the valve with low flow resistance. It is suitable for large-caliber working conditions with low flow velocity and stable flow.
Swing check valves are divided into single-disc, double-disc and multi-disc types, which are classified mainly according to valve caliber. They can effectively reduce the instantaneous backflow of medium and avoid impact on the valve body seal, thus extending the service life of the valve.
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