Input signal of controller is solenoid valve lift. Control parameters are valve opening timing and valve open duration.

控制器的输入信号为电磁阀升程，控制量是气门开启定时和开启持续时间。

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Solenoid operated pump control for controlled opening and closing on pump start-up and shut-down.

通过在泵开和关时电磁阀所进行的开启和关闭来操作泵控制阀。

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Water is poured into the pipe before opening the solenoid.

在打开螺线阀之前，先将水倒入管中。

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