为什么Kv值不适合用于设计控制阀？-News-KELK

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为什么Kv值不适合用于设计控制阀？

Publish Time：2013/8/13 14:40:15

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为什么Kv值不适合用于设计控制阀？

Kv值指的是在一个特定温度条件下，每时间单位内1bar压力下的介质流量。在实际情况中，这一指数只能代表阀门某一开度时的流量。但是，这一指数并不能代表阀门的线性调节特性。

Kv值指的是在一个特定温度条件下，每时间单位内1bar压力下的介质流量。在实际情况中，这一指数只能代表阀门某一开度时的流量。但是，这一指数并不能代表阀门的线性调节特性。

为了能更好的设计阀门，必须考虑到阀门或者管道内的静/动压流失，最大最小水流流量和水流速度。只有当获取到这些数据并应用于设计时，控制阀才能具有线性调节的特性并且在操作过程中不产生气蚀。

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