According to the UK-based vacuum manufacturer, the stainless steel impeller, endplates, liquid reservoir and heat exchanger makes this pump highly resilient against corrosion and harsh process gases.

The internal injection channels reduce the risk of leakage while the horizontal motor flange arrangement saves precious time on maintenance.

Use of mechanical seals also ensure reliable operation by preventing leaks as well as extending service intervals, Edwards Vacuum said.

All this state-of-the-art technology is contained in a compact noise cancelling sturdy canopy protecting and extending lifetime of the electronic components.

The ELRi is equipped with two VSD’s. While the main VSD matches the speed of the pump to vacuum level by adjusting its speed, the second VSD regulators the water flow through the centrifugal pump according to the operating conditions to avoid risks of cavitation.

Edwards Vacuum said a patented algorithm maintains a perfect harmony between the two VSD’s ensuring optimal performance. In addition, it is protected against automatic seizure, so users do not have to worry about the pump failure after long periods of inactivity.

pic 2 Edwards Vacuum-ELRi



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