Peristaltic Pumps

Through thick and thin: Fluids in waste water treatment

We, at Verder, have dedicated Product Marketers. And when asking what the best pump would be for sludges and slurries, at least 2 of them would say “Mine”. And asking “why?” in more detail, there are hundreds of reasons why a certain pump should be chosen as being the best. Usually, when you compare the arguments, you discover that apples and pears are mixed, and that it cannot really be a good, fair comparison.

But, being involved in (waste) water treatment with several fluid streams with each with its specific composition, when exactly should you use a peristaltic pump and when a screw centrifugal pump? 

Are there guide lines to consider?
If your fluid waste stream is of higher pressures, lower flows and/or higher viscosities a peristaltic pump is the best choice.
When dealing with lower pressures, higher flows and lower viscosities up to 3000 cst a screw centrifugal is the better one.

Sometimes less is more

Sometimes less is more: when using a peristaltic you are using less water, having less damage and less pollution but you get more pump value for money. By using a peristaltic or a screw centrifugal pump. 
A screw centrifugal pump means also less: low initial purchase cost, less maintenance cost and less power consumption and at the same time offers many mores: to mention only a few: very high  efficiency, higher flow,  clog free operation. 

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