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Flange Check Valve

‌Flange check valve‌ is a valve that relies on the flow of the medium itself to automatically open and close the valve disc. It is mainly used to prevent the backflow of the medium. It is also known as a check valve, one-way valve, reverse flow valve or back pressure valve. The flange check valve is an automatic valve. Its main functions include preventing the backflow of the medium, preventing the pump and drive motor from reversing, and releasing the container medium.

Working principle

The working principle of the flange check valve is to rely on the flow of the medium itself to automatically open and close the valve disc. When the medium flows forward, the valve disc is pushed open by the medium, allowing the medium to pass; when the medium stops or flows in the reverse direction, the valve disc automatically closes under the action of the medium pressure, thereby preventing the medium from flowing backward.

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