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CPI止回阀,CPI check valves,什么是止回阀?止回阀用在哪里?

什么是止回阀?

止回阀一般安装在管道中以防止倒流。止回阀基本上是一个单向阀,其中水流可以自由地单向运行,但如果水流转向,阀门就会关闭,以保护管道、其他阀门、泵等。如果水流转向而没有安装止回阀,就会发生水锤。水锤往往以极大的力量发生,很容易损坏管道或部件。

止回阀用在哪里?

止回阀被用于许多不同的应用中。例如,它们通常被放置在泵的出口侧,以保护泵免受倒流。离心泵是最常见的水泵类型,没有自吸功能,因此止回阀对于保持管道内的水是必不可少的。此外,止回阀还经常被用于HVAC系统(供暖、通风和空调系统)中。例如,HVAC-系统用于大型建筑,其中冷却剂被泵送到许多层楼上。在这里安装止回阀是为了确保冷却剂不被冲回地面。

CPI止回阀是为高压应用而设计的,在这些应用中,反向流动和泄漏必须保持在最低限度。典型的应用包括发动机、泵和压缩机气缸/填料润滑和液压系统。这些止回阀中相对坚硬的弹簧有助于提高电路的可靠性。


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