Intelligent Liquid Ring Vacuum Pump

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Smart monitoring functionalities ensure maximum uptime

Pumps, Valves & Compressors

Intelligent Liquid Ring Vacuum Pump
Intelligent Liquid Ring Vacuum Pump

Edwards Vacuum has combined its years of comprehensive know‐how and innovative technical expertise to develop a range of new liquid ring pumps the ELRi series. The stainless-steel impeller, endplates, liquid reservoir and heat exchanger make 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. The technology is contained in a compact noise cancelling sturdy canopy protecting and extending lifetime of the electronic components.

Build-in Intelligence

The ELRi is equipped with not just one but two VSD. While the main VSD matches the speed of the pump to vacuum level by adjusting its speed, the second VSD regulates the water flow through the centrifugal pump according to the operating conditions to avoid risks of cavitation. A patented algorithm always 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.

Extended service intervals

The integrated Air logic controller not only enables the monitoring of important features and parameters of the pump but also offers the option of set-point control. This allows users to have a vacuum pump that matches the process demand saving energy. While the ECOntrol box even allows you to connect and control multiple ELRi pumps, the Icon Box enables smart monitoring and remote controlling ensures optimal servicing to get maximum uptime with your pumps. Along with this, water consumption is also reduced as the separator is only filled up when required. 

The ELRi series comes in pumping capacity 750-1050m3/h and covers a wide range of applications in the central vacuum, pharmaceutical, plastics, conveying and food applications. All pumps are also fitted with spray nozzles as standard which are particularly useful for high steam load applications allowing to pump increased capacity of gas load. 

Posted on February 7, 2020 - (1305 views)
Manor Royal
RH10 2LW Crawley - United Kingdom
+44-1293-52 8844
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