Turn the check valve
Swing check valve is an important fluid control valve, which is mainly used to prevent the backflow of media in the pipeline. The working principle of the swing check valve is that when the pipeline fluid flows in the specified direction, the disc inlet pressure is higher than the outlet pressure, the disc is pushed away from the seat, and the valve is open. When the pressure difference between the two sides of the valve disc decreases to a certain level, the valve disc falls and returns to the closed state, preventing the backflow of the medium.
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Turn the check valve
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Turn the check valve
Swing check valve is an important fluid control valve, which is mainly used to prevent the backflow of media in the pipeline. The working principle of the swing check valve is that when the pipeline fluid flows in the specified direction, the disc inlet pressure is higher than the outlet pressure, the disc is pushed away from the seat, and the valve is open. When the pressure difference between the two sides of the valve disc decreases to a certain level, the valve disc falls and returns to the closed state, preventing the backflow of the medium.
♦ 产品执行标准 Production enforce standard
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产品规范 |
设计规范 |
结构长度 |
连接法兰 |
试验与检验 |
压力-温度 |
产品标识 |
供货规范 |
|
GB 12236 |
GB 12221 |
GB9113 JB79 |
GB/T13927 |
GB 9131 |
GB/T12220 |
JB/T7928 |
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