Zoucheng Dongyuan Petroleum Machinery Co., Ltd.
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- Contact person:China Mr. ()
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- Address:ChinaWest End of Hengfeng Road, Zoucheng
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- WebSite:http://www.dydrill.com/en/index.asp
http://www.valveschina.com/showroom/1121/
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By-Pass Valve Assembly2022/5/26 22:20:07
By-pass Valve assembly has two positions of by-pass and close. It is in by-pass position during trip operation, circulates mud fluid in the drill string into the annular space by-passing the idle motor, so that no mud may spray out onto the platform during the trip operation.
- Zoucheng Dongyuan Petroleum Machinery Co., Ltd.
- Address :ChinaWest End of Hengfeng Road, Zoucheng
- Support BY:Valves Industry Portal