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Research on pressure-surge proof valve actuator
Author(s): 
Pages: 19-21
Year: Issue:  3
Journal: Valve

Keyword:  调节阀 执行机构 防水击装置;
Abstract: 当由于某种原因使输送液体管路中的调节阀迅速开闭 ,就可能引起水击 ,对设备和管道造成损坏。为此 ,设计一种阀门执行机构防水击装置。此装置在阀杆接近全关位置的 2 0 %行程内实行分级阻尼 ,减缓阀门开闭动作 ,从而消除因阀门动作产生水击的根源
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