As with every KAESER rotary screw compressor, a premium quality airend featuring world-renowned SIGMA PROFILE rotors lies at the heart of all M 27 and M 31 models and delivers more compressed air for less energy. The standard working pressure for these machines is 7 bar; 10, 12 and 14 bar versions are also available.
Both models are more than just reliable air compressors. With the optionally available 6.5 kVA generator, they become construction site powerhouses providing a dependable supply of compressed air and / or electricity.
Aftercoolers and condensate separators are available for applications requiring cool, dry compressed air. The M 27 and M 31 compressors without air treatment systems feature KAESER’s patented Anti-Frost Control as standard. Together with an optional tool lubricator, the Anti-Frost Control prevents compressed air tools from freezing up, even in cold ambient temperatures.
A multitude of carefully considered options makes these portable compressors even more versatile: for example, a hose reel with twenty metres of lightweight hose, a toolbox for convenient storage and a closed floor pan. A version designed for use in refineries is available, which includes a spark arrestor and an engine shut-off valve. A check valve is provided for sandblasting applications.
The KAESER rotary screw compressor airend with energysaving SIGMA PROFILE rotors is driven via gearing by a tough, water-cooled three-cylinder Kubota diesel engine. An electric fuel pump makes fuel line venting simple.
The compressed air aftercooler cools the compressed air to 7°C above ambient. Because the aftercooler is installed at an angle the condensate is able to drain away easily. This environmentally-friendly design prevents problems caused by freezing in winter and the condensate is evaporated using the hot exhaust gases from the engine.
The PE fuel tank fits perfectly into the available space and holds enough diesel fuel for extended operation without the need for refuelling. A cleaning opening is located in the floor pan which ensures that the machine can be kept clean and running at optimum performance.
The wide-opening enclosure provides excellent component access, which makes service work a breeze thereby ensuring maximum compressed air availability