The valve has the two control loops for normal regulation and emergency closure respectively.
此阀有两个控制回路，分别用于正常调节和紧急关闭。
Install overflow valve inside to control the normal operation of pump.
内装溢流阀控制泵的正常运行。
A spring keeps valve in the normal flow position.
弹簧能够使阀门保持在正常流量位置。
Will valve alignments atypical of normal system operation be permitted?
正常系统运行的阀门的不标准的调整是否是允许的？
Will valve alignments atypical of normal system operation be permitted?
正常系统运行的阀门的不标准的调整是否是允许的？
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