KDT 3.140 3Ph 400 V 50 Hz / 460, 400 V 60 Hz, 5.5 kW

Becker KDT 3.140 – oil-free rotary vane compressor

The KDT 3.140 delivers 129 m³/h at 50 Hz (153 m³/h at 60 Hz) and works up to +1.5 bar pressure. Becker supplies it for several pressure stages with a matching motor: +0.5 bar with 5.5 kW (50 Hz) or 6.6 kW (60 Hz); +1.0 bar with 7.5 kW (50 Hz) or 9.0 kW (60 Hz); +1.5 bar with 7.5 kW (50 Hz) or 9.0 kW (60 Hz). Weight: 78 kg without motor; approx. 146 kg with motor (Becker catalogue 2026). Dimensions: 953 × 470 × 362 mm with motor (Becker catalogue 2026, depending on the motor), pressure connection G 1 1/2".

Dry-running rotary vane principle

The compressor works without oil in the compression chamber; there are no oil changes, and the compressed air produced is oil-free. The inlet filter and the pressure regulating valve are integrated.

Versions and accessories

• KDT 3.140/0-52: for short-time operation at +2.0 bar
• VARIAIR KDT 3.140/0-400: version with VARIAIR frequency converter

Advice and service

Ehrler & Beck supports you in selecting the right size and pressure stage, supplies accessories and spare parts and carries out maintenance and repair.

Pumping speed 50Hz	129
Pumping speed 60Hz	153
Rated motor power 50Hz	5.5
Rated motor power 60Hz	6.6
Motor efficiency class	IE3
Weight	146
Length	91.3
Width	47
Height	36.2
Outlet connection flange	G 1 1/2"
Noise level	80 dB(A)
Cooling method	Air cooling
Oil type	Oil-free

Further technical data

Additional technical data