钢制闸阀国内外标准分析

Analysis on domestic and international standard of steel gate valve

根据国内外钢制闸阀的有关标准 ,从压力 温度额定值、最小壁厚、阀盖与阀体中法兰连接、阀门密封副。

According to the relative domestic and international standards of steel gate valve,give analysis and comparison from nominal values of pressure temperature,minimum wall thickness,middle flange ends between body and bonnet,valve sealing couplings,connection dimensions,test and inspection of valves,and etc.