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Danfoss Expands Portfolio of Oil-Free Compressors

The compact design of the VTCA400 reduces footprint and weight by up to 50% compared to traditional designs.

Danfoss Vtca400

Danfoss (Baltimore, MD) has expanded the oil free compressor portfolio with the introduction of the VTCA400 and the TGS380 models.

  • The new Danfoss Turbocor VTCA400 is the world’s first oil-free, variable-speed, magnetic bearing centrifugal compressor utilizing a hybrid compression design that is optimized for use with low-GWP refrigerant R-1233zd. The 400 ton/1400 kW nominal capacity rating provides unparalleled performance for water-cooled chiller applications. The VTCA400 is the world’s first compressor to incorporate a hybrid compression configuration using a mixed flow and radial impeller design, optimized for use with low-GWP refrigerant R-1233zd. This results in a compact compressor design that reduces footprint and weight by up to 50% compared to traditional designs, giving users the benefits of more mechanical room space along with the ability to incorporate multiple compressors in a single chiller for built-in redundancy and improved part load performance.
  • The new Danfoss Turbocor TGS380 is a further extension of the TGS series compressors, the world’s first oil-free, variable speed, magnetic bearing centrifugal compressors qualified for the use with R-515B refrigerant. R-515B has an AR5 GWP of 299 and an ASHRAE A1 safety classification for lower toxicity and no flame propagation. As an extension of the existing Danfoss Turbocor TGS series of compressors, it also is qualified to use HFO-1234ze, an environmentally friendly refrigerant with a GWP less than one. The TGS380 builds on the innovation of the other models in the TGS series and features an expanded operating map to support applications with pressure ratios up to 5.7.  This includes not only comfort cooling, water-cooled chiller applications but also higher lift applications such as air-cooled chillers in hot ambient climates up to 125 degrees Fahrenheit and water-cooled heat recovery generating up to 145 degrees Fahrenheit process water.

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