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New Cascade Heat Exchanger Technology

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New Cascade Heat Exchanger Technology

Colmac Coil Manufacturing is pleased to announce the introduction of its new Shell and Helix heat exchanger intended for use in Ammonia/CO2 cascade refrigeration systems. The new heat exchanger design offers the following advantages and benefits:

  • All stainless steel construction for corrosion resistance and long life.
  • Compact - large heat transfer surface in small volume.
  • Cost effective compared to other heat exchangers in the market.
  • High tubeside (CO2) pressure capability - as high as 1,700 psig (119 bar).
  • Multiple helix design permits expansion and contraction of tubes during large changes in temperature and pressure with very low resulting strain and stress reducing the risk of failure and leaks.
  • Nesting of the multiple helically formed tubes in both radial and axial directions results in equal spacing of the tubing and uniform flow distribution on the shellside.
  • Multiple shell side connections allow reversing the flow of the ammonia and CO2 - permits reverse cycle hot gas defrosting.
  • US and International Patents Pending.

 

Contact Patsy Smith at patsy.smith@colmaccoil.com for more information.