对于阀门的设计,就算是允许工作压力低于10bar(PFA),设计时,所针对的水流速度,应在稳态条件下可以达到相同的值(10bar),按照BS EN1074-1:20002的表2规定的,要使PFA(操作压力?)达到10bar,水流速度是3米/秒,而不是2...
英语翻译Valves even subjected to an allowable operating pressure
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