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Busch presents new Screw Vacuum Pump

17 August 2015

The new Screw Vacuum Pump by Busch: COBRA NX
The new Screw Vacuum Pump by Busch: COBRA NX

Busch has introduced the first model of a new series of screw vacuum pumps: the COBRA NX 0450 A. Due to its new, patented screw profile, the COBRA NX is substantially more energy efficient and economical than comparable vacuum pumps. 

The new screw profile is self-cleaning, making it highly resistant to particles and steam. COBRA NX vacuum pumps are ideally suited to many industrial applications such as heat treatment ovens, coating processes, vacuum drying and component cleaning. The extremely compact dimensions and low noise levels of the COBRA NX allow it to be installed almost anywhere, including workstation areas.

COBRA NX screw vacuum pumps were developed by Busch specifically for applications demanding high pumping speeds throughout the working range 1000 to 0.1 mbar. The proven, completely dry-running screw vacuum technology requires no operating fluids in the compression chamber, so no contamination by pumped gases can occur. Consequently, maintenance tasks such as oil and filter replacement are not required, and servicing work is restricted to gearbox oil changes at long intervals. The COBRA NX is powered by an energy-efficient IEC standard motor, with frequency control available as an option.

COBRA NX vacuum pumps are designed for easy combination with Roots vacuum pumps. A Panda or Puma Roots vacuum pump may be added as a backing pump using a simple flange connection, creating a compact vacuum unit with an extended performance range.

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