国产激情一区二区三区

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          The application and limitation of three-way valve are described briefly
          The author: Time:2020/12/14

            三通閥常用于熱交換器的旁路調節,也可用于簡單的配比調節。旁路調節是調節熱交換器的旁通量來控制其出口流體的溫度。三通閥裝在旁路的入口為分流,裝在旁路的出口為合流。合流調節閥流通能力較分流閥大,調節靈敏,但應注意溫差對閥的影響。
            比起兩個二通閥的旁路調節,用三通閥旁路調節可以省掉一個二通閥和一個三通接管,不但費用省,而且占地小,因此得到了廣泛應用。使用三通閥的限制條件是:通常三通閥在常溫下工作,當三通閥應用于高溫或高溫差時,由于高溫流體通過,引起管子膨脹,使三通閥產生較大應力而變形,造成連接處的損壞和泄漏,尤其在高溫差時影響更為嚴重。一般要求三通閥的溫差小于150℃,當溫差過大時可采用即用兩個二通閥來代替一個三通閥。

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          国产激情一区二区三区

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