• The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.

    这种油泵游动采用机械强制开启关闭结构,柱塞为等径浮动结构,可防止发生游动阀、阀球关闭滞后、卡柱现象。

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  • Together with the practical application of the panel turnover gas-lock valve, the factors of the inherent character with the friction effect are also given in this paper.

    结合生产实践分析由于摩擦阻力而形成翻板式锁气阀固有特性及其影响因素

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  • The rotating valve is connected respectively to four hydraulic lock through two throttling governors which are connected respectively with the four oil and gas springs.

    通过两个节流调整分别液压相通,该四个液压锁分别与相应的四个油气弹簧相连接。

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  • An optimum design criteria to make the gas-lock valve in the best operation condition is proposed.

    提出使气阀处于最佳工作状态设计计算方法。

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  • An optimum design criteria to make the gas-lock valve in the best operation condition is proposed.

    提出使气阀处于最佳工作状态设计计算方法。

    youdao

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