Introducing the new VTT series of Danfoss Turbocor compressors, the pioneering of oil-free, variable speed, magnetic bearing technology. Based on the proven Danfoss Turbocor TT series compressor technology, VTT (Variable Twin Turbo) compressors feature 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 runs on R134a.Exclusive IntraFlow™ TechnologyInnovative and patent-pending 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.
Due to the compressors’ unloading capabilities, the VTT series is ideal for buildings that operate 24/7, such as data centers and hospitals. The VTT Series will be available for voltage applications between 380 and 575 Volts, and will carry the ETL and CE PED marks.
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