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HY型抛掷式回压阀

HY型抛掷式回压阀

HY型抛掷式回压阀是一种钻柱内防喷械。留神丰井喷的前兆,立即卸开方钻杆将回压阀总成投入钻杆水眼内,开泵送下就位,绩妙到达防地喷的目标。
Throw-Type Back Pressure Valve Type HY

Model “HY” Throw-Type Back Pressure Valve is an internal preventer. When blowout is going to happen, the Kelly rod should be removed immediately and the back pressure valve assembly should be put into the I.D.  and then pumped downward to the required place. Thus, the blowout can be prevented.

作者speedyweb 作者speedyweb 2017年最新注册送彩金
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