DBSt 1940 DBSt 1940-130, 3Ph 345-415 V Δ / 600-720 V Y 50 Hz, 380-480 V Δ / 660-720 V Y 60 Hz

Atlas Copco DBSt 1940 – single-stage side channel blower with two impellers working in parallel

Depending on the model, the DBSt 1940 delivers up to 1940 m³/h at 50 Hz and up to 2310 m³/h at 60 Hz. According to the data sheet, it reaches down to −220 mbar in vacuum operation and up to +200 mbar in compressor operation. The motor power is 15–23 kW (IE3). Dimensions up to 610 × 763 × 662 mm (L × W × H), weight 155–184 kg, inlet and outlet G 4" (DN 100). Atlas Copco marks the data sheets of the models with part number 8055810… as preliminary (as of 09/2024).

Oil-free side channel principle

According to Atlas Copco, the twin impellers of the DBSt range, working in parallel, deliver up to 2050 m³/h at a vacuum of up to −310 mbar (50 Hz). 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 1940

The DBSt 1940 is available from Ehrler & Beck in two variants: 8055810036 (DBSt 1940-130), 8055810037 (DBSt 1940-220). The limit 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

Pumping speed 50Hz	1,940
Pumping speed 60Hz	2,310
Rated motor power 50Hz	15
Rated motor power 60Hz	17.5
Motor efficiency class	IE3
Weight	155
Length	61
Width	76.3
Height	66.2
Inlet connection flange	G 4"
Outlet connection flange	G 4"
Noise level	75 dB(A)
Cooling method	Air cooling
Oil type	Oil-free

Additional technical data