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Double dependability and power
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 | SIGMA PROFILE
The SIGMA PROFILE, developed by Kaeser Kompressoren in 1975, saves up to 15 % in energy consumption compared with conventional rotor profiles. The airends in HSD units use even further refined SIGMA PROFILE rotor versions. |
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 | HSD – The new standard
“HSD” series rotary screw compressors are the perfect choice for users who require large volumes of quality compressed air. Moreover, these versatile units ensure maximum system availability thanks to their unique dual compressor design. |
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 | Dual flexibility with SIGMA CONTROL
All HSD models comprise two self-contained compressor units each controlled via their own industrial PC-based “Sigma Control" compressor controller. Operational status can be determined at a glance via traffic light style LEDs. |
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 | Base- and peak-load operation
Using the Master-Slave function, the "SIGMA Control" compressor controllers are able to precisely match performance of each compressor to suit current compressed air demand. This results in significant energy savings and optimum efficiency. |
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 | Even cooler
A ΔT of only 1 K is achieved thanks to highly efficient water-cooling with soldered plate heat exchangers, thereby further enhancing efficiency of downstream treatment components. |
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