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Pump Knowledge Menu | Centrifugal Pumps Suppliers
Gas binding of a centrifugal pump is a
condition where the pump casing is filled with gases or vapors
to the point where the impeller is no longer able to contact
enough fluid to function correctly. The impeller spins in the
gas bubble, but is unable to force liquid through the pump.
This can lead to cooling problems for the pump's packing and
bearings.
Centrifugal pumps are designed so that their
pump casings are completely filled with liquid during pump
operation. Most centrifugal pumps can still operate when a
small amount of gas accumulates in the pump casing, but pumps
in systems containing dissolved gases that are not designed to
be self-venting should be periodically vented manually to
ensure that gases do not build up in the pump casing.
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