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2018-01-18View Original

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Consultons lesgrosdages! Est-ilabsoloiredinstallerunvannesingleéauà.
Reply #22018-01-18
还得看物料吧,如果矿浆泵出口安装单向阀那就好看了
Reply #32018-01-18
在泵的出口安装单向阀,可以防止因某种原因,出口阀未关时,因液体倒流而引起泵的反转,造成转子上螺母等零件的松动、脱落。 https://bbs.hcbbs.com/thread-963978-1-1.html
Reply #42018-01-21
应该没有必要吧,装个手动阀或者电动阀不就可以了么?
Reply #52018-01-21
个人认为1楼正解,取决于上下游物料要求。
Reply #62018-01-22
不一定,看安装条件及管路布置
Reply #72018-01-23
专家来我们公司检查 提出的需整改问题 说泵出口需要安装单向阀,并且轻质油品的机泵进口过滤器需要安装接地线 有点不明白,不知道是哪个规范要求的?
Reply #82018-01-26
个人认为安装单向阀还是很有必要的,如果突然断电等因素影响很容易造成泵的反转,容易造成一些型号的泵叶轮脱落,对设备也有一定的影响。
Reply #92018-02-13
个人觉得出口非常有必要安单向阀,现场操作人员很多时候都来不及关或者懒于关,介质瞬间回流容易造成叶轮松动或者脱落:)
Reply #102018-02-20
有必要喲,泵会倒转,叶轮背冒会松动,会损伤机封及其它部件。

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