But it's also a matter of accuracy and closing speed.

精度和接近速度也很重要.

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Closing speed can be adjusted.

可以任意调节关门速度.

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Adjustable closing speed, there is no pressure fluctuate when the valve closed steadily.

◎关闭速度可调, 阀门平稳关闭而不会产生压力波动.

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Thus, the closing speed of valve should match closely with the speed of forward flow retard.

因此, 阀门的关闭速度应该与顺流减速的速度相一致.

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Speed Control Valves are available for controlling valve opening or closing speed with pneumatic actuators.

速度控制阀可以用来控制由气动执行器操作的阀门的开启或关闭速度.

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