How it works
The Liquidyne LDS seals the pump and uses an external flush to lubricate, cool and clean the seal. The water flows through the seal, but also towards the pump side. This water flow also enables the Condition Monitoring function.
Liquidyne seals may consist of four types of modules:
- fulfilling a sealing,
- a pressure reducing,
- a dirt retaining and,
- a vacuum function.
What makes the Liquidyne special is the Condition Monitoring function. This function works through the water lubrication.
More about condition monitoring
The water lubricated Liquidyne lip seals run over a partially grooved bush placed over the pump shaft. The helical shape of the grooves and the peripheral velocity of the bush create water flow between the grooves and the lip seal.
Over time, the grooves on the bush gradually wear down. Less water is transported over the bush and the amount of water leaving the drain decreases. When the drain flow is at 20% of the initial flow, maintenance is required. By plotting this decrease in drain flow, you can plan maintenance more efficiently, optimize Mean Time Between Maintenance, reduce costs and prevent sudden pump failure.
Video Liquidyne LDS
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