The swing check valve is also called a check valve or a check valve, and its function is to prevent the medium in the pipeline from flowing backward. The valve of the opening and closing member is opened or closed by the flow of the medium and the force to prevent the back flow of the medium from being called a check valve. Check valves are automatic valves, mainly used on pipes with one-way flow of media, allowing only the media to flow in one direction to prevent accidents. This type of valve should generally be installed horizontally in the pipeline.
The swing-type check valve adopts the built-in rocker arm swinging structure, and all the opening and closing parts of the valve are installed inside the valve body without penetrating the valve body, except for the sealing gasket and the sealing ring of the middle flange part, the whole There is no leak point to prevent the possibility of valve leakage. The swing-type check valve has a spherical connection structure at the joint of the rocker arm and the valve flap, so that the valve flap has a certain degree of freedom within a range of 360 degrees, and has appropriate micro-position compensation.
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