26 Dutch trams to be upgraded with Atlas Copco oil-free compressors
Wilrijk, Belgium, April 2014. Atlas Copco’s Railway Competence Center will soon deliver the first of 26 SFR 5 kW oil-free compressors with integrated maintenance-free dryers, including 150 liter air tanks, to Vossloh-Kiepe in Germany, which is upgrading the BRU’s tram system in Utrecht, Netherlands. The scope of the project includes replacing the compressed air and air treatment equipment on BRU’s 1980’s SIG railcars. Atlas Copco presented a solution which offers dry and 100% Class Zero oil-free air for the brake systems.
The new system is fully compatible to the vehicle structure. The new compressor is designed as an integrated solution. The vehicle interface (mounting points) can be used without any modifications. The new compressor is adapted by an auxiliary frame. This allows a quick and easy installation on the vehicle.
The SFR 5 compressor: a completely customized solution
Atlas Copco’s Railway Competence Center presented a completely customized compressed air solution with fully integrated maintenance-free membrane dryers and proven railway core components. The basic air supply unit is a 100 percent oil-free 5.5 kW SFR 5 scroll. The SFR 5 features a minimum of moving parts, a shaft-driven cooling fan, corrosion-resistant stainless steel and aluminum, and a sturdy construction to withstand external vibrations, shock loads and projectiles. The air treatment is carried out by a fully integrated water separator, fine pre-filter and a maintenance-free membrane dryer that supplies clean, dry, oil-free compressed air with a quality class of at least 2.2.0 according to ISO 8573-1.
The compressor performs in ambient temperatures from -25° C to +50° C, and is designed to withstand the most extreme weather conditions. The compressed air is cooled down to a maximum of 15°C above ambient temperature. The rated FAD air flow is 400 l/min at 10 bar end pressure at outlet after the dryer.
Maintenance is simplified and cost effective, with easy access to the unit’s two air filters, hour counter and electric connectors. The membrane dryer is placed in a horizontal position along the inside of the unit since no further access space is required to maintain it. The SFR 5 features long service intervals, which further reduce its overall lifecycle costs.
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Atlas Copco is a world-leading provider of sustainable productivity solutions. The Group serves customers with innovative compressors, vacuum solutions and air treatment systems, construction and mining equipment, power tools and assembly systems. Atlas Copco develops products and service focused on productivity, energy efficiency, safety and ergonomics. The company was founded in 1873, is based in Stockholm, Sweden, and has a global reach spanning more than 180 countries. In 2013, Atlas Copco had revenues of BSEK 84 (BEUR 9.7) and more than 40 000 employees.
Atlas Copco’s Compressor Technique business area provides industrial compressors, vacuum solutions, gas and process compressors and expanders, air and gas treatment equipment and air management systems. The business area has a global service network and innovates for sustainable productivity in the manufacturing, oil and gas, and process industries. Principal product development and manufacturing units are located in Belgium, Germany, the United States, China and India.