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Every KAESER rotary screw vacuum airend is equipped with energy-saving SIGMA PROFILE rotors.

Components manufactured to the highest standards and precision aligned roller-bearings ensure long service life with maximum reliability.

Single-stage vacuum generation with liquid injection provides optimum cooling, lubrication and sealing of the rotors

As the most efficient way to achieve a given drive power, KAESER use large, low speed rotary screw vacuum airends. This ensures that the specific power is always within the optimal range.

Using a flexible V-belt drive with automatic belt-tensioning, airend speed is precisely matched to suit the specific airend installed in the pump package.

Low-speed operation brings additional advantages, such as extended service life of all associated components and enables exceptionally quiet performance.

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