What are the differences between submersible pumps VS4 and VS5?
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Hello everyone, what are the differences between the vertical pumps VS4 and VS5? What is a guide bearing?
VS5 is cantilevered with a small submersion depth
Take a look at this post. I have a question: what are the differences between the long-shaft submersible pumps VS4 and VS5? https://bbs.hcbbs.com/thread-1260964-1-1.html (Source: Haichuan Chemical Forum – Huahai Chuanliu)
The Danran1711 VS4 features a flexible shaft; the pump’s peripheral sliding bearing has support points, and it is possible to supply flushing water at the outlet as well as external flushing water in order to cool the sliding bearings. The VS5 uses a rigid shaft design (the shafts in this case are quite thick) and does not have sliding bearing support points, nor is it necessary to flush it. This characteristic of the VS5 means that its submersion depth cannot be too great (usually no more than 1.5 meters). He explained everything in quite detail; cavitation in the guide bearing occurs when there is a sliding bearing present
The guide bearing is a sliding bearing with a graphite sleeve
The difference between submersible pumps VS4 and VS5: one has a longer shaft while the other has a shorter one; one is segmented while the other is not; one comes with guide bearings while the other does not. What is a guide bearing? The diagram below shows you.