Introducing the new VTT series of Danfoss Turbocor compressors, the pioneer of oil-free, variable speed, magnetic bearing technology. Based on the proven Danfoss Turbocor TT series compressor platform, VTT (Variable Twin Turbo) oil-free compressors feature patented IntraFlow™ technology and provide the highest full- and part-load efficiency in the industry as well as superior turndown. The VTT series also extends Danfoss’ existing compressor capacity range up to 350 tons/1200 kW.VTT uses R134a.Exclusive IntraFlow™ Patented TechnologyInnovative and patented IntraFlow™ technology allows the VTT series of compressors to eliminate the cost and complexity of inlet guide vanes or variable geometry diffusers and, at the same time, simplifies the capacity control, extends the stable operating range, and improves compressor efficiency.In brief, IntraFlow™ directs a fraction of the flow from the volute exit to the inlet of the first-stage diffuser through a series of nozzles. This injection of flow into the first stage diffuser provides aerodynamic incidence control to give VTT compressors the largest stable operating range of any centrifugal compressor.
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