Ehrler & Beck Vakuum- und Drucklufttechnik GmbH
Ehrler und Beck

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DBSt 1320 DBSt 1320-190, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V

The Atlas Copco DBSt 1320 is a single-stage side channel blower with two impellers working in parallel: oil-free, non-contact and with an IE3 motor, for vacuum and pressure operation. It delivers up to 1325 m³/h (50 Hz) and reaches a vacuum of up to −300 mbar. Ehrler & Beck supplies the DBSt 1320 in three variants with accessories and service.

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  • Pumping speed 1,325 m³/h 50 Hz 1,599 m³/h 60 Hz
  • Rated motor power 11 kW 50 Hz 13 kW 60 Hz
Available variants
Variant Part number
DBSt 1320-190, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V (selected) 3002615469
DBSt 1320-250, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V 3002615470
DBSt 1320-350, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V 3002615471

Atlas Copco DBSt 1320 – single-stage side channel blower with two impellers working in parallel

Depending on the model, the DBSt 1320 delivers up to 1325 m³/h at 50 Hz and up to 1599 m³/h at 60 Hz. According to the characteristic curve table, it reaches down to −300 mbar in vacuum operation and up to +350 mbar in compressor operation. The motor power is 11–22 kW (IE3). Dimensions up to 901 × 510 × 610 mm (L × W × H), weight 136.5–183.5 kg, inlet and outlet G 5" (DN 125).

Oil-free side channel principle

According to Atlas Copco, the twin impellers of the DBSt series, working in parallel, draw in large volumes of air – up to 1980 m³/h at a vacuum of up to −300 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 DBSt 1320

The DBSt 1320 is available from Ehrler & Beck in three variants: 3002615469 (DBSt 1320-190), 3002615470 (DBSt 1320-250), 3002615471 (DBSt 1320-350). 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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