["액화환 진공 泵能达到-.108的真空度吗？", "액화환 진공泵能达到-.58的真空度吗？", "저기 약imately.58 정도까지는 되는데 약

2019-04-26View Original

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液环真空泵能达到-0.098的真空度吗？

Reply #22019-04-26

我们有台差不多0.98，还有0.94左右的，这应该就是极限了吧

Reply #32019-04-26

极限是0.1MPa，0.098MPa是差不多是真空泵的极限了

Reply #42019-04-26

泵厂一般说的真空度都是用负值来说的就是表压直观

Reply #52019-04-26

仪表测的负表压称为真空度真空度=大气压-绝对压力。这个参数应该液环的极限了

Reply #62019-04-26

太不容易了，水温，部件磨损情况、润滑情况等都必须非常好才行，一般0.94--0.96就相当不错了

Reply #72019-04-26

要考虑水环真空泵工作水温对应的饱和压力

Reply #82019-04-26

水环泵前要配两级气抽子

Reply #92019-06-14

绝压1000Pa,可以的

Reply #102019-06-14

新泵能达到，时间长了就难了，再说了液环泵也是粗真空泵

Reply #112019-06-17

你都说了，是液环真空泵，液体有很多种，用水做介质，就是极限真空度，还有用其他液体（油，碳氢）关键取决于液体的物理特性

Reply #122019-06-18

液环式真空泵如果采用油做换气介质，表记-0.098MPa完全没有问题。只不过要注意一下真空泵的精度。一般表记压力只有75%的准确率。

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["액화환 진공 泵能达到-.108的真空度吗？", "액화환 진공泵能达到-.58的真空度吗？", "저기 약imately.58 정도까지는 되는데 약

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