• The simple well head assembly newly developed is comprised of protection flange, pup joint, clip, gate valve, tee joint and anti-vibration pressure meter.

    研制简易酸化井口装置保护法兰、过渡短卡箍闸阀三通压力表等组成。

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  • This article gives a brief description of a special tool for assembling and disassembling of seal rings in the wedge-shaped gate valve for oil (gas) well-head assembly.

    本文简要介绍了装采油()井口楔形闸密封圈专用工具

    youdao

  • This article gives a brief description of a special tool for assembling and disassembling of seal rings in the wedge-shaped gate valve for oil (gas) well-head assembly.

    本文简要介绍了装采油()井口楔形闸密封圈专用工具

    youdao

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