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Which type of pump ue a bore ring?

A crecent-type
B variable vane-type
C Radial-piton type
D gerotor-type

1 Answer

2 votes
Centrifugal Pumps.

Designing and Using Pumping Rings. Pumping rings are internal pumps used inside centrifugal pumps to promote flow in various closed loop circulation systems. Several different types of pumping rings are available.
User Tom Wenseleers
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