If the high viscosity gear pump high pressure adjustment, will make the pump running under overload.

如果高粘度齿轮泵的工作压力调整过高，则会使齿轮泵在超负荷下运行。

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Turning adjustment screw to change the height of the trap door open in order to adjust the volume of high-pressure gas through the pressure to achieve the required value.

转动调节螺杆，改变活门开启的高度，从而调节高压气体的通过量并达到所需的压力值。

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This welding machine has features of simple operation, high efficient production and stepless adjustment for current increase time, current value, current maintaining time and pressure time.

操作方便，生产效率高，具有电流上升时间、电流大小、电流持续时间及加压时间、脉冲频率等参数的无级调节。

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