在这种状况下，必须降低泵的转速，加大电机的功率，加大进出口的管径来减少介质的流动阻力。

Under this situation, we must reduce the speed of pump, increase the power of the motor, increase the import and export of pipe diameter to reduce the flow resistance of the medium.

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排泄管与安全阀出口必须有相同的通径，必须从安全阀开始垂直向下。

The drain pipe must be the same size as the valve outlet, and must pitch downward from the valve.

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