Cleaning : all cryogenic valves are thoroughly degreased and cleaned and pipe ends are sealed to prevent contamination 清洁:所有低温阀门都经过全面的脱脂和清洗,管道端口都经过密封不受污染。
Cleaning : all cryogenic valves are thoroughly degreased and cleaned and pipe ends are sealed to prevent contamination 清洁处理:所有低温阀门都全面进行脱脂和清洗,管路端口都经过密封,以防止污染。
Under the lowtemperature ( - 196 ) , the rigidity of such elastric elements as spring and bellow in the cryogenic valve will change inevitably and affect the valve working performance 摘要在低温环境( - 196 )中,低温阀门用弹簧、波纹管等弹性元件的刚度特性将发生变化,并直接影响阀门的低温工作性能。