The integrated frequency converter of the VARIAIR UNIT increases the performance data of the rotary vane vacuum pumps considerably. The vacuum pumps are thus precisely adapted to customer requirements. The energy requirement is optimized and a constant vacuum is guaranteed even with different or strongly fluctuating consumption. Unnecessary intake noise for unneeded suction air is eliminated. No additional dirt from the environment can get into the vacuum pumps. The "soft" start-up of the vacuum pumps reduces the stress on the mechanical components and extends their service life. The variable performance range minimizes the variety of types and thus also offers logistical advantages.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div>
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