Kaeser Compressors ESD series rotary screw compressors

Friday, 02 February, 2018 | Supplied by: Kaeser Compressors Australia

The latest generation of ESD series rotary screw compressors are equipped with Super Premium Efficiency IE4 motors, enabling users to enjoy low energy consumption. The compressors consume up to 8% less energy than the company’s previous models, yet deliver 6.5% higher flow rates.

At the heart of every ESD system lies a flow-optimised rotary screw compressor block with energy-saving Sigma Profile rotors. The IE4 Super Premium Efficiency motors meanwhile comply with and exceed prevailing Australian GEMS regulations for three-phase electric motors.

The Electronic Thermal Management system delivers additional energy advantages, as do the environmentally friendly fluid filter and integrated Sigma Control 2 controller. Electronic Thermal Management consistently controls the oil temperature within a constant, safe differential relative to the dewpoint (condensation temperature) — which also helps avoid unnecessarily high screw compressor block discharge temperatures.

The compressor converts 100% of its input drive energy into heat, of which 96% can be recovered and used for heating purposes. With optional heat recovery equipment, a second Electronic Thermal Management system ensures optimum use of the heat energy that arises from the compression process. For example, when all of the heat energy has been fed into the heat recovery system, the intelligent Sigma Control 2 controller recognises that cooling is no longer required from the system cooler — so it simply deactivates the fan at the fluid cooler.

The environmentally friendly fluid filter elements simply sit in an aluminium housing, with no need for a sheet metal enclosure. The filter elements themselves are completely free of metal, making disposal straightforward.

The Sigma Control 2 compressor controller provides comprehensive monitoring of the compressor and, if equipped, the frequency converter (SFC variable speed control option). It also enables the compressor to utilise powerful networking solutions and allows straightforward connection to a master control system, such as the Sigma Air Manager 4.0, or to a control centre.

The rotary screw compressors are available with drive powers of 200 and 250 kW. They produce flow rates from 8.6 to 44.5 m³/min, designed for pressures up to 15 bar.

Online: au.kaeser.com
Phone: 1800 640 611
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