In order to avoid screw pump is damaged, usually installed in the screw pump bypassreliefvalve 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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In addition to continuous blowdown service, the Hancock high pressure drop valve is also used on feedwater bypassrelief, sampling systems, drains and other services where erosion is extremely severe.