CompAir QL-70 oil-free compressor

CompAir has announced the expansion of the Quantima range of oil-free centrifugal compressors with the introduction of the Q-70L model suitable for lower pressure applications.

CompAir has announced the expansion of the Quantima range of oil-free centrifugal compressors with the introduction of the Q-70L model, suitable for lower pressure applications. Now available with a minimum working pressure of 3 bar(g), the Quantima Q70-L oil-free centrifugal compressor model is suitable for those applications which require lower pressure oil free compressed air.

The Q70-L includes a direct-drive compression and motor assembly that uses magnetic bearings to provide stable control of the rotor shaft. The shaft is supported in a magnetic field, spinning at up to 60,000 rpm. With only one moving part, there is no contact and no wear for long life and reliable operation.

Operating at high speeds, the Q-drive motor incorporates an asynchronous induction design. As a result, a conventional gearbox is not required. This eliminates costly gearbox losses and means that the compressor does not require any oil.

The Quantima oil-free centrifugal compressor range offers zero risk of oil contamination, making Quantima suitable for applications which require absolutely oil-free compressed air, such as in the food and beverage, pharmaceutical, healthcare, glass and chemical industries.

Variable speed technology matches output to exact requirements minimising off-load running. In addition, off-load power consumption can be achieved at 2.5% of full load power. Energy savings of up to 25% and more are achievable.

The Q70-L has a small physical footprint (295 x 200 x 195 cm) and weighs 3800 kg. It is quiet in operation with noise levels as low as 69 dB(A) making it suitable for point-of-use applications. The motor rating is 300 kW, minimum working pressure 3 bar(g) and free air delivery 70.9 m³/min.