External flow switch inhibits pump output when no sample flow is available.
在没有可用的样本时,外部流量开关将会抑制泵输出流量。
Provides continued high pump output, suitable for most power steering units.
提供持续高输出泵,适用于大多数动力转向装置。
Close the door distribution discharge valve and, if cut-off valve is opened, pumping water to the piston from the pipeline until the pump output.
关闭分配阀卸料门,如有截止阀则打开,泵送清水至活塞从输送管输出端泵出为止。
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