天气预报 > 其他 > 直埋弹性座封闸阀是控制阀吗
直埋弹性座封闸阀是控制阀吗
更新时间: 2020-11-07 00:00:00  

直埋弹性座封闸阀是控制阀,启闭件是闸板,闸板的运动方向与流体方向相垂直。弹性座封闸阀又叫升降杆闸阀(亦叫明杆闸阀)。通常在升降杆上有梯形螺纹,通过阀门顶端的螺母以及阀体上的导槽,将旋转运动变为直线运动,也就是将操作转矩变为操作推力。开启阀门时,当闸板提升高度等于阀门通径的1:1倍时,流体的通道完全畅通,但在运行时,此位置是无法监视的。

关键词: 弹性 控制阀

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