Ehrler & Beck Vakuum- und Drucklufttechnik GmbH
Ehrler und Beck

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DBDt 800 DBDt 800-325, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V

The Atlas Copco DBDt 800 is a two-stage side channel blower with a double impeller: oil-free, non-contact and with an IE3 motor, for vacuum and pressure operation. It delivers up to 804 m³/h (50 Hz) and reaches a vacuum of up to −450 mbar. Ehrler & Beck supplies the DBDt 800 in three variants with accessories and service.

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  • Pumping speed 804 m³/h 50 Hz 970 m³/h 60 Hz
  • Rated motor power 11 kW 50 Hz 13 kW 60 Hz
Available variants
Variant Part number
DBDt 800-325, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V (selected) 3002615491
DBDt 800-450, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V 3002615492
DBDt 800-525, 3Ph 60 Hz 460/795 V 3002615577

Atlas Copco DBDt 800 – two-stage side channel blower with double impeller

Depending on the model, the DBDt 800 delivers up to 804 m³/h at 50 Hz and up to 970 m³/h at 60 Hz. According to the characteristic curve table, it reaches down to −450 mbar in vacuum operation and up to +500 mbar in compressor operation. The motor power is 11–22 kW (IE3). Dimensions up to 979 × 560 × 806 mm (L × W × H), weight 137–180.5 kg, inlet and outlet G 4" (DN 100).

Oil-free side channel principle

According to Atlas Copco, the two-stage design and double impellers make the DBDt series the choice for high volume flows at deeper vacuum. 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 DBDt 800

The DBDt 800 is available from Ehrler & Beck in three variants: 3002615491 (DBDt 800-325), 3002615492 (DBDt 800-450), 3002615577 (DBDt 800-525). 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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