大小单双倍投顺口溜

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气动隔膜泵如果打不出液体是什么原因

来源: 时间:2021-01-18 11:19:36 次数:

1、液体比重过大,或者说浓度过大,泵的吸程达不到,所以这种情况下,泵在工作,但是打不出液体。

2、气动隔膜泵泵体内的阀球和球座密封不好,打出的液体立马又回流回去了,这种情况下,泵体是出液体的,但是流量很小,扬程非常低。

3、进液口管道密封不好,这样的话,泵是正常工作,但是由于吸不上液体,所以泵也是打不出液体的。

4、进气口的气源压力不够,一般国产气动隔膜泵的气源压力范围一般在2-7kg,大于或者小于这个值泵都不能正常工作。

5、气动隔膜泵泵体内的易损件磨损了,这种情况下比较容易解决,更换一下易损件即可。

6、低级的错误就是把泵的进出口接反了,泵是进口在下,出口在上。这种错误的概率非常小,但是我就碰到过这样的客户。

7、空压机起源过低会气量不足(正常气压是5-7公斤)。

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