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General: Depending on the model, the Centry® Series centrifugal are available as standard with closed impellers. Closed impellers eliminate axial loads and extend the life of the motor bearings when the pump is close-coupled to the motor. Closed impellers simplify the axial positioning of the impeller, when using close-coupled sealed pumps. Single Mechanical Seals:
Single mechanical seals are the most economical type of seal to use when leakage is not desired. When properly installed and maintained, these seals will generally give years of trouble-free service. Double Mechanical Seals:
Double Mechanical seals are also available for the Liquiflo Centry® Series centrifugal pumps. This seal configuration relies on a barrier lubrication system to cool and lubricate the seal faces. Magnetically-Coupled Pumps:
These offer a simple and cost-effective solution to sealing toxic, noxious, crystallizing or most other fluids that present problems for single seals and would therefore require use of a double mechanical seal. Magnetically coupled pumps eliminate the need for cooling loops that are required for double mechanical seals. Customization:
Contact factory.
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