The butterfly-shaped buffer check valve is composed of a valve body, a valve clack,a buffer device and a micro-regulating valve. The product has the characteristics of novel structure, small volume, small fluid resistance,stable operation, reliable sealing, abrasion resistance, good buffer performance and the like, and is mainly used for industrial water supply and water pump outlet of the sewage treatment plant, and the medium in the pipe network is prevented from flowing reversely. The destructive water hammer is automatically eliminated, so that the water pump and the pipeline are not damaged
The butterfly type buffer check valve can be divided according to its structure and installation mode.
The butterfly-type buffer check valve refers to a valve which is automatically opened and closed by the flow of the medium, and is used for preventing the back flow of the medium, also called a check valve, a one-way valve, a counter-current valve and a back pressure valve. The check valve belongs to an automatic valve, and is mainly used for preventing the back flow of the medium, preventing the pump and the driving motor from reversing, and discharging the container medium. The check valve may also be used to provide a pressure in which the pressure in the check valve may rise to the line on which the auxiliary system of the system pressure is supplied
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