Meter pump: The meter pump with excellent quality alloy steel guarantees stable melting pressure and flow.

计量泵：采用优质合金钢材米泵保证稳定的熔融压力和流量。

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In order to avoid screw pump is damaged, usually installed in the screw pump bypass relief valve outlet to a stable outlet pressure, keep the pump running.

为了避免螺杆泵损坏，一般会在螺杆泵出口处安装旁通溢流阀，用以稳定出口压力，保持泵的正常运转。

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The pressure of the steam used in the vacuum pump of VD refining furnace is stable, but its flow is periodic.

VD精炼炉的真空抽气泵工作时蒸汽压力稳定而流量具有周期性，间断使用。

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