On the pump outlet pipe diameter DN50mm pipeline, should be selected swing check valve swing check valve can be horizontal or vertical installation. Swing back valve disc to rotate around the rotating shaft, the fluid resistance is generally less than the lift check valve. It is used in large caliber occasions, installation location restrictions, usually installed in horizontal pipeline, it is used with large caliber occasions. According to the number of valve can be divided into swing check valve, double valve swing check valve and valve swing check valve three for single screw. Single swing check valve in general use and medium caliber occasions. Large diameter pipe using single rotary Kai check valve, in order to reduce the water hammer pressure, the best use of can reduce the water hammer pressure relief valve closed. Double disc swing check valve suitable for medium and large diameter pipeline. Double disc swing check valve structure is small, light weight, is a fast check valve; multi disc swing check valve suitable for large diameter pipeline. When using the occasion is very important or the environment is more complex, please try to provide design drawings and detailed parameters, by our valve company experts for your review.
