Ehrler & Beck Vakuum- und Drucklufttechnik GmbH
Ehrler und Beck

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DBD 430 DBD 430-425, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V

The Atlas Copco DBD 430 is a two-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 430 m³/h (50 Hz) and reaches a vacuum of up to −400 mbar. Ehrler & Beck supplies the DBD 430 in two variants with accessories and service.

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  • Pumping speed 430 m³/h 50 Hz 519 m³/h 60 Hz
  • Rated motor power 7.5 kW 50 Hz 9 kW 60 Hz
Available variants
Variant Part number
DBD 430-425, 3Ph 50 Hz 400/690 V, 60 Hz 460/795 V (selected) 3002615457
DBD 430-420, 3Ph 60 Hz 460/795 V 3002615539

Atlas Copco DBD 430 – two-stage side channel blower with single impeller

Depending on the model, the DBD 430 delivers up to 430 m³/h at 50 Hz and up to 519 m³/h at 60 Hz. According to the characteristic curve table, it reaches down to −400 mbar in vacuum operation and up to +400 mbar in compressor operation. The motor power is 7.5–11 kW (IE3). Dimensions up to 695 × 542 × 603 mm (L × W × H), weight 98.5–110 kg, inlet and outlet G 4" (DN 100).

Oil-free side channel principle

According to Atlas Copco, the two-stage DBD series is ideal for applications with a vacuum level of up to −450 mbar that require only a limited volume flow. 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 DBD 430

The DBD 430 is available from Ehrler & Beck in two variants: 3002615457 (DBD 430-425), 3002615539 (DBD 430-420). 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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