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。
In addition to continuous blowdown service, the Hancock high pressure drop valve is also used on feedwater bypass relief, sampling systems, drains and other services where erosion is extremely severe.
除了连续排污服务，高压降汉考克阀门也用在给水旁路救济，取样系统，排水渠及其他服务的地方水土流失极为严重。
In addition to continuous blowdown service, the Hancock high pressure drop valve is also used on feedwater bypass relief, sampling systems, drains and other services where erosion is extremely severe.
除了连续排污服务，高压降汉考克阀门也用在给水旁路救济，取样系统，排水渠及其他服务的地方水土流失极为严重。
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