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zhi hui fa de gao wei xu neng shi yan fa
Author(s): 
Pages: 15-16
Year: Issue:  2
Journal: Valve

Keyword:  蓄能试验止回阀密封副密封性试验气动球阀高压泵压缩机出口侧工作状况高位水箱;
Abstract: 止回阀的高位蓄能试验法苏州阀门厂潘仁度1.概述止回间在管路中的作用是防止管路中介质因泵或压缩机停机,阀的进口例失压而倒流。在泵或压缩机停机时,止回间进口与出口在一般情况下为全压差,即阀出口侧的介质保持泵或压缩机的出口压力向进口侧倒流,其回流流速极高,...
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