A swing check valve, also known as a disc check valve, is a type of valve that allows for one-way flow of fluid. It consists of a swing disc that pivots on a hinge mechanism. When the fluid flows in one direction, the disc swings open to allow the flow. However, when the flow reverses, the disc swings back to its closed position, preventing the backflow of fluid.
The swing check valve is commonly used in various industries where backflow prevention is critical, such as water supply systems, sewage systems, and oil and gas pipelines. It is especially useful in applications where the flow rate is low to moderate.
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