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Alfa Laval Wet Surface Heat Exchangers, Air Heat ExchangersWSAC systems to suit the most demanding applications

The Niagara Wet Surface Air Cooling systems (WSAC®) are designed and built for rugged and long lasting industrial applications. Niagara uses heavy gauge steel construction which is double brake flanged on all four sides and welded in all corners providing extreme rigidity, extended service life and durability. All metal fabrication is completed and tested in Buffalo New York before shipment to the job site.

Example of applications


  • Water
  • Glycol
  • Oil
  • Fuel
  • Gases


  • Steam
  • Ammonia
  • Propylene
  • Butane

System benefits

  • Superior construction
  • Engineered to order
  • Units are hot dipped galvanized after fabrication or can be stainless steel for increased rust and corrosion protection
  • ASME and TEMA code designs available
  • Designs available to 3500 psi
  • Fireproof construction
  • Easily accessible spray system
  • Fans designed to required sound limits
  • Materials of construction meet environmental and process requirements
  • Liquid cooling up to max inlet temp of 180°F
  • Single phase gas cooling up to max inlet temp of 450°F
  • Turbine exhaust vacuum steam condensing as low as 1.8” HgA min