Screw pump

2017-05-17View Original

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Is it necessary to install a check valve at the outlet of a single-screw pump installed in parallel? Don’t positive displacement pumps require check valves? Does that reducer allow reverse rotation?

Reply #22017-05-18

Screw pumps do not require check valves; there is no issue with single-screw pumps equipped with reducers

Reply #32017-05-18

A check valve is needed, but the reducer can’t be used either, right?

Reply #42017-05-19

Positive displacement pumps are usually not equipped with check valves, as typical positive displacement pumps can prevent the backflow of material on their own.

Reply #52017-05-30

Is there any more professional equipment that can be used for analysis?

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Screw pump

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