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Leybold introduces new vacuum pumps


Ergonomic, energy-efficient pumps strengthen trend towards smart solutions in research and laboratory applications

Leybold has expanded its ECODRY Plus product family of dry multi-stage Roots vacuum pumps for laboratory, R&D and analytical applications. The current ECODRY 40 and 65 Plus models are now joined by the new, smaller pump sizes ECODRY 25 and 35 Plus.

A characteristic of ECODRY Plus is its low noise level. The new ECODRY 25 and 35 Plus have a noise level of 52 dB(A). "A normal conversation is at a noise level of about 55 dB(A)," says Kaiser. So it's easy to stay close to the pump and have a normal conversation with the pump noise just fading into the background," explains product manager Alexander Kaise.

The vacuum pumps are also smaller and more energy-efficient than competitive products, says Kaiser. "As a result, we achieve very high pumping speeds with relatively little footprint, which means that a chamber can be evacuated more quickly and a lower ultimate pressure is achieved."

The ECODRY 25 and 35 Plus models emit neither oil vapour, nor particles and have a maintenance interval of five years, during which time they run without any servicing, according to the company.

While the ECODRY 40 and 65 Plus are still available in the two voltage variants 200-240 V for Europe and Asia and 120 V for North America, there is only one variant required for each of the new ECODRY 25 and 35 Plus worldwide. Equipped with an integrated pump controller, they are suitable for all voltage ranges.

Customers also have the option of connecting a pressure gauge directly to the vacuum pump. "This integration is interesting because it allows the pump performance to be adapted again specifically to the respective requirement," explains Kaiser. With the help of the gauge, the pump determines the pressure: If this is low enough, the pump can reduce its speed and becomes even quieter and more energy- efficient.

The ECODRY has connections for easy integration of the pump into external control systems and for reading all data from other systems. It features interfaces such as USB and RS485 as well as the new intuitive LEYASSIST software.

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