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High Pressure Inline Check Valve

High-pressure check valve‌ is a valve that automatically opens and closes based on the flow of the medium itself. It is mainly used to prevent the backflow of the medium, the reverse rotation of the pump and drive motor, and the release of the container medium. The check valve is an automatic valve. Its working principle is that when the medium flows in the forward direction, the valve disc opens under the action of fluid pressure; when the fluid flows in the opposite direction, the valve disc is pressed on the valve seat by the fluid pressure and its own weight, thus cutting off flow.

Structural features

High-pressure check valves are usually made of stainless steel or carbon steel, integrally forged, and resistant to high pressure. Its structure includes a valve disc and a valve seat. The valve disc automatically opens and closes under the action of medium flow. The sealing surface of the check valve is usually made of wear-resistant, high-temperature-resistant, and corrosion-resistant materials, such as Stellite cobalt-based carbide, to ensure a long and stable service life.

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