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Developed by KAESER and Continuously enhanced ever since, the KAESER SIGMA PROFILE achieves power savings of up to 15 percent compared with conventional screw airend rotor profiles
All KAESER rotary screw airends feature this energy-saving rotor profiles and are designed to ensure maximum energy efficiency.
The generously-sized, precision-aligned roller bearings and close-tolerance machining guarantee long service life and outstanding reliability
A Specific drive power can be used to turn a smaller airend at high speed or a langer airend at slow speed. Larger, slower runnings airends are more eficient and deliver more compresed air for the same drive power. This is why KAESER builds airends with the slowest drive speeds possible. Every KAESER rotary screw comporessor quickly pays for itself through significant savings in energy costs.
The SIGMA CONTROL 2 features a highly flexible modular design, yet its standard constructions means that this versatile control systems can be matched to suit the needs of any rotary screw compressor from KAESER KOMPRESSOREN's extensive range. Comprising a main control unit and separate inpout/output modules, this modular concept therefore enhances communication and user-friendliness.
The SIGMA CONTROL 2 in equipped with its own web server, making it possible to communicate with the compressor via intranet / internet. Operational date and maintenance and alarm messages can therefore be viewed, with password protection, from any PC running a standard internet browser. Amongst other adv antagtes, this feature simplifies compressor operation and maintenance.
Energy costs taken over the lifetime of any compressor add up to many times that of the initial capital cost, which can make any purchase price difference a false economy. Efficiency and reliability are vital in the production of compressed air and KAESER achieves these objectiv es with quality. durable components that are built to last. Energy - saving KAESER rotary screw compressors can help users to significantly reduce their comppressed air costs.
Reusable heat generated during compressed air producitons represents a considerable potenital saving, Since 100 percent of the energy fed to a compressor is converted into heat. This is energy that can be utilised. In fact, up to 96% of the energy that is used to produce compressed air remains available for reuse. This not anly enables uge annual financial savings, but also helps to considerably reduce CO2 emissions. The scale of the savings effect depends on the size of the compressors and the primary energy source that is used(electricity, gas, fuel oil) Moreover, many older comporessor models can even be retrofitted to provide heat recovery.
In Compressed air packages featuring 1:1 direct drive the motor drives the airend directly without transmission loss via a maintenance-free compuling. 1:1 direct drive rotary screw compressors provide outstanding performance and enable significant savings. KAESER's comprehensive range of specially designed airends are manufactured and developed to meet every compressed air user's needs.
> No powertransmission losses
> Large, low speed airends provide more air for less energy consumptions
> Reduced maintenance costs.
Kaeser's unique cooling air flow concept provides significant advantages compared to conventional systems: The air is drawn in via the cooler to the cooler cabinet and is directly exhausted upwards. Consequently, the inside of the unit remains untouched by the main cooling air flow and contaminant particles contained in the air collect on the air intake side of the cooler. Clogging is easily noticed and quickly cleaned. off without the need for any dismantling work. Operational reliability is improved and maintenance requirement is significantly reduced. (DSD Series)