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Screw compressor / oil-free / stationary - 4 - 10 bar, 75 - 300 kW, 7 - 42.6 m³/min
Oil-free Rotary Screw CompressorsD Series
CompAir Compression Element
100% Oil-Free Compressed Air - Guaranteed Non-contact, non-wearing labyrinth seals prevent bearing lubricant entering the compression chamber. The design also features heavy duty, low friction ball and roller bearings and helical drive and timing gears. Thrust balance pistons equalise the loads across the bearings, allowing each bearing to achieve its optimum life expectancy.
Market Leading Efficiency
The CompAir compression element design sets the industry standard for energy efficiency. Advanced asymmetric rotor profiles and optimised radial and axial porting ensure maximum air output for minimum energy consumption. The rotor casings feature generously-sized liquid cooling passages for even heat dissipation, enabling closer tolerances to be used for high compression efficiency.
Extended Service Life
For the longest working life the correct lubrication and cooling of gears and bearings, under all conditions, is essential. For this reason, the CompAir D-Series features an electric motor-driven oil pump that delivers full lubricant pressure prior to starting and during the stopping phases, thereby extending the operating life of the compression element.
Two-stage inlet filtration protects against the ingress of airborne particles into the compression elements. Filter element life is extended by the enclosure mesh panel filters. This also ensures that the motors and coolers operate with the maximum cooling capability.