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Nov.27th-30th 2012 OSEA

Nov.27th-30th 2012 OSEA

  • Dec 11, 2012
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In 2012, we attended the 19th International Oil&Gas Industry Exhibition & Conference (OSEA). We meet our customers and new friends in the exhibition. After candid talks with them, Dervos g...

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Common Faults and Preventive Measures of Gate valves

Common Faults and Preventive Measures of Gate valves

  • Jul 26, 2016
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Gate valves are the main components of the oil (gas) wellhead, several kinds of the common faults in the use of the common faults as follows.  1. Leakage between gate valve and gate valve juncti...

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