气控针阀是以天然气或独立供气作为动力，液压油作为传动介质驱动管线阀门开启和关闭的机构，是保障油气管线运行的设备。
Air control needle valve is powered by natural gas or independent gas supply, hydraulic oil as transmission medium, drive pipeline valve opening and closing of the mechanism, is to ensure the safe operation of oil and gas pipelines equipment.
气控针阀直接取自主管线的高压天然气，天然气经过滤之后，无需任何减压，通过高压梭阀和单向阀直接进入储气罐储存。采用集成模块、大流量、高压设计技术，使较少的控制元件承受高压，延长密封件的寿命、减少配管、减少系统泄漏点，从而提高设备的整体性。

The gas control needle valve directly takes the high pressure natural gas from the independent pipeline. After the gas is filtered, no pressure reduction is needed, and the gas reservoir is stored directly through a high pressure shuttle valve and a one-way valve. Using integrated modules, large flow and high voltage design technology, less control components to withstand high pressure, prolong the life of seals, reduce piping, reduce system leakage, thereby improving the overall safety of the equipment.
组成：
Form：
机械驱动机构：与阀门链接，接收液压动力，输出开关阀门所需的驱动扭矩。
Mechanical drive mechanism: link with valve, receive hydraulic power, output switch valve required drive torque.
气液转换机构：执行器动作时将气源动力转换为液压动力。
Gas-liquid conversion mechanism: when the actuator moves, the air source power is converted to hydraulic power.
流体控制单元：通过控制气液回路的通断，实现多种阀门开关方式。
Fluid control unit: by controlling the on-off of the gas-liquid circuit, a variety of valve switching modes are realized.
电子控制单元：实时监测管道压力参数，紧急情况下执行自动切断，同时还具有人机交互，数据记录等功能。
Electronic control unit: real-time monitoring of pipeline pressure parameters, emergency automatic cut-off, but also with human-computer interaction, data recording and other functions.
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