Under the effect of check valve, synchronization phenomenon is caused in the process of water hammering in long distance pipelines.
2
止回阀在高压系统中起着关键的防逆流作用。
The check valve plays an important role to prevent the reverse flow in high pressure system.
3
本实用新型结构合理，具有良好的止回阀作用和防火作用，安装 方便，使用寿命长，性能稳定，效果好。
The utility model has reasonable structure, good check valve action and fire prevention action, easy assembly, long service life, stable performance and good effect.
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