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Check Valve
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- Product Description
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- Commodity name: Check Valve
Check valve refers to the opening and closing parts for the circular disc and by its own weight and medium pressure to produce action to block the medium back flow of a valve. It is an automatic valve, also known as check valve, one-way valve, return valve or isolation valve.
Check valve refers to the opening and closing parts for the circular disc and by its own weight and medium pressure to produce action to block the medium back flow of a valve. It is an automatic valve, also known as check valve, one-way valve, return valve or isolation valve. Valve movement is divided into lifting and swing type. Lift check valve and cut-off valve structure is similar, only the lack of drive valve disc stem. The medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side). When the inlet pressure is greater than the weight of the disc and its flow resistance, the valve is opened. On the other hand, the valve is closed when the medium flows back. Swing check valve has a tilt and can rotate around the axis of the disc, the working principle is similar to the lift check valve. The check valve is often used as the bottom valve of the pumping device to prevent the backflow of water. The check valve is used in combination with the stop valve to provide safe isolation.
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