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Active Seal for zero leakage
ITT Water & Wastewater is gradually introducing
Active Seals for a wide range of Flygt pumps
and mixers.
The Active seal efficiently pumps media from the drive-unit side to the buffer-fluid side of the inner seal. No liquid is allowed to penetrate the inner seal to the dry side. One vital feature of the new technology is the precision, laser-cut grooves. The high pressure at the tip of the grooves forces any liquid to flow to the outer circumference of the seal ring and back to the buffer liquid compartment.
All mechanical face seals allow a certain minimal
penetration of liquid between the seal faces to maintain lubrication and efficient sealing capacity over time.
However, even minimal leakage may cause problems especially for pumps and mixers in continuous operation.
Such accumulated and unattended leakage can lead to costly problems such as emptying the stator housing or in worst cases - machine failure. The Active Seal-technology minimizes the risk of this and ensures zero leakage.
In addition, a trouble-free performance without the need for unscheduled maintenance makes for significantly lower operating costs.
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