... Draining valve: 放泄阀 Draining valve: 放泄阀泄水阀泄油阀 draining solenoid valve: 放泄电磁阀 ...
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self-draining valve 自动排液阀 ; 自动排放阀 ; 主动排液阀 ; 不佣人的劳力排液阀
oil draining valve 排油阀 ; 放油活门
draining valve seat 排水凡尔座
draining valve gland 排水凡尔压盖
Quick Draining Valve 快速排污阀
steam draining valve 蒸汽疏水阀
The utility model is especially suitable for the draining valve with big caliber and big displacement.
对大口径、大排量疏水阀尤为实用。
The utility model can prevent the discharge-orifice steel columns of the upper draining valve cover from cracking, increase the service life of oil-well pumps, and lower oil-production cost.
本实用新型可防止抽油泵在采油过程中上排出阀罩出油孔筋柱裂断，提高抽油泵的使用寿命，降低采油成本。
When boiler need big volume draining or level regulation valve failed to work, there should open bypass valve to draining.
当锅炉需要大量排污时，或液位调节阀故障时，应开通旁路阀加大排污。
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