Ehrler & Beck Vakuum- und Drucklufttechnik GmbH
Ehrler und Beck

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DBS 660 DBS 660-130, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V

The Atlas Copco DBS 660 is a single-stage side channel blower with a single impeller: oil-free, non-contact and with an IE3 motor, for vacuum and pressure operation. It delivers up to 663 m³/h (50 Hz) and reaches a vacuum of up to −250 mbar. Ehrler & Beck supplies the DBS 660 in three variants with accessories and service.

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  • Pumping speed 663 m³/h 50 Hz 800 m³/h 60 Hz
  • Rated motor power 4 kW 50 Hz 4.8 kW 60 Hz
Available variants
Variant Part number
DBS 660-130, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V (selected) 3002615438
DBS 660-210, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V 3002615439
DBS 660-290, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V 3002615440

Atlas Copco DBS 660 – single-stage side channel blower with single impeller

Depending on the model, the DBS 660 delivers up to 663 m³/h at 50 Hz and up to 800 m³/h at 60 Hz. According to the characteristic curve table, it reaches down to −250 mbar in vacuum operation and up to +250 mbar in compressor operation. The motor power is 4–9 kW (IE3). Dimensions up to 627 × 492 × 561 mm (L × W × H), weight 79–84 kg, inlet and outlet G 4" (DN 100).

Oil-free side channel principle

Atlas Copco recommends the DBS series for applications that require volume flows up to about 1000 m³/h and a low vacuum down to −350 mbar. The impeller accelerates the air in the side channels without contact; there is no oil, no oil filter and no exhaust filter, and the exhaust air stays clean.

Applications of the range

Atlas Copco lists, among others, pad printing, paper cutting, roller cleaning, yarn processing, pneumatic conveying, vacuum tables, drying, the extraction of condensate, paint mist, chips and dust, and waste water treatment.

Variants of the DBS 660

The DBS 660 is available from Ehrler & Beck in three variants: 3002615438 (DBS 660-130), 3002615439 (DBS 660-210), 3002615440 (DBS 660-290). The characteristic curve values of each variant – vacuum and compressor operation, 50 and 60 Hz – are given in the technical data.

Features of the DB series

  • Highly efficient: IE3 motors as standard
  • Low noise level thanks to the blade geometry and integrated silencers on the suction and pressure sides
  • Clean and oil-free: contact-free operating principle without contamination of the exhaust air
  • Fully enclosed aluminium housing, motor with thermal protection, durable bearings
  • Modular design, virtually maintenance-free
  • Compact footprint, can be used as a vacuum pump or compressor
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