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。
Bevel wheel reducer to keep long life, lower noise, stable running.
采用斜齿轮减速箱，寿命长、噪音低、运转平稳。
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