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Edward Lowton
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ARTICLE
Seal-less by design
08 January 2014
Hydra-Cell pumps are hydraulically balanced diaphragm pumps that have no dynamic seals in contact with the pumped liquid, totally eliminating the need for seal maintenance.
Many Hydra-Cell models can operate at pressures in excess of 140 bar and they are said to offer 100% safe containment of corrosive, aggressive and abrasive liquids.
Pump manufacturers make claims about the time taken to replace shaft seals but, says Wanner, any time taken in seal maintenance is downtime for the pump and potentially for the process.
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