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[" le diaphragme-pompe nécessite-t-il une valve de de de de de de de

2018-11-19View Original

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["
Reply #22018-11-19
2
Reply #32018-11-19
user
Reply #42018-11-19
Translate the following translations
Reply #52018-11-19
pérdida
Reply #62018-11-19
valve
Reply #72018-11-20
不加安全阀,短时间的可以(1-2小时内),长时间使用容易造成隔膜受高压变形,导致隔膜损坏
Reply #82018-11-21
内置+外置最保险,管道一旦堵了,压力会越来越高,API标准里面也提到了
Reply #92018-11-21
为了安全起见,最好安装一个泄压阀,超压后从出口回到入口。
Reply #102018-11-21
最好,要加。不然,泵容易损坏。
Reply #112018-11-23
需要的,防止常时间的保压,损伤膜片
Reply #122018-11-24
如果知道容积泵必须先开出口阀再开泵,问题不大;但是碰到不开阀门或阀门开度过小的傻鸟,还是加个安全阀吧!
Reply #132018-11-26
这个根据实际情况吧,常见的气动隔膜泵都不需要增加安全阀,如果是电机带动的就需要加了

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