COMPRESSED AIR NEWS Product News New range of energy-efficient screw air compressors Premium compressor manufacturer Gardner Denver has launched a new range of energy efficient 160 kW to 250 kW oil-injected, screw air compressors to enhance its existing range of GD machines. The new compressors, 160, 200, 250 and the 290, are available in both fixed speed (ESM) and variable speed (VS) models. Each one is capable of delivering reliable and efficient compressed air, with pressures ranging from 5 bar to 13 bar, and suitable for a wide variety of industrial applications. Commenting on the launch, Marcus Hamilton, Industrial Compressors’ Product Manager said: “The new range of Gardner Denver compressors has been designed to reduce total cost of ownership by lowering energy consumption which can account for up to 80 per cent of a compressor’s total operating costs, as well as enabling faster maintenance and hence reduced downtime. The result is that the machines can deliver up to 13 per cent more compressed air with the same kW size motor, and with better energy efficiency.“ The variable speed technology available on the VS160 - VS290 models improves energy efficiency further by regulating the electric motor speed in line with on-site compressed air demand. This also incorporates a new, high efficiency design variable speed inverter that can reduce energy costs by up to 35 per cent compared to traditional control. A unique cooling concept that uses the suction side of the compressor’s radial fan instead of relying on individual cooling fans means that the components run cool continuously, for better energy efficient and optimum long life reliability. New levels of efficiency for aeration tanks Various wastewater technologies are used to find the right solution for every application. The main ones are turbo blowers, rotary piston blowers and rotary lobe compressors. For maximum energy efficiency, it is ideal to combine these high performance technologies. Of course, they have to be perfectly harmonised with one another – Performance³. With the three series, turbo blower Aerzen Turbo, positive displacement blower Delta Blower and rotary lobe compressor Delta Hybrid Aerzen now provides the optimal preconditions. The program includes the following for the customized process air generation: For generation of the base load requirement: adjustable Aerzen turbo blowers of series AT Turbo Generation 5 (available volume flows: from 300 to 16.200 m³/h, pressure range from 400 to 1000 mbar, middle control range: 40 to 100%). For generation of peak- or light load requirements: adjustable Aerzen positive displacement blower series Delta Blower (available volume flows: 30 to 15.000 m³/h, pressure range from -500 mbar negative pressure to 1000 mbar positive pressure, control range: 25 to 100%) and adjustable Aerzen rotary lobe compressor series Delta Hybrid (available volume flows: 110 to 9000 m³/h, pressure range -900 negative pressure to 1500 mbar positive pressure, control range: 25 to 100%). By means of this three-point-program, Aerzen offers the ideal preconditions for implementation of a very energyefficient process air station and a solution ‘from one source’. And the specialists from Aerzen guarantee an optimally adapted overall concept, for highest operation safety, reliability and efficiency. www.aerzener.com www.gardnerdenver.com Imprint Compressed Air News is published in cooperation with ComVac, the leading trade fair for compressed air and vacuum technology. Vereinigte Fachverlage GmbH, Lise-Meitner-Straße 2, D-55129 Mainz / P.O.Box 100465, 55135 Mainz, phone: 0049/6131/992-0, fax: 0049/6131/992-100 Managing Director: Dr. Olaf Theisen Publishing Director: Dr. Michael Werner, Tel: 0049/6131/992-401 Editorial: Dipl.-Geogr. Martina Laun, Phone: 0049/6131/992-233 (Responsible according to the press law) Design: Sonja Schirmer MDATechnologies 4/2016
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