All-welded, Brazed and Semi-welded

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An assembly of herringbone and/or washboard-pattern-embossed plates, every other plate is turned 180°, causing the ridges of adjacent plates to intersect one another forming a lattice of contact points. When these points are subsequently brazed together, the resulting unit is a compact, pressure-resistant heat exchanger. Almost all material is involved in the heat transfer process.


  • General purpose oil, water, and gas cooling.
  • Cooling mechanical and electrical equipment.
  • Used on compressors, hydraulic packages, lasers, and diesel engines.
  • Ideal for refrigerant evaporators, condensers, chillers or air dryers.
  • Some types can be used for corrosive chemicals, high pressure or extreme temperatures in chemical process industries and other industries with aggressive environments.


Typical applications include:

  • Liquid to liquid cooling.
  • Liquid to steam cooling.
  • Liquid to refrigerant and other refrigerant applications (including ammonia).
  • Gas-to-liquid.
  • Gas-to-gas.
  • High temperature thermal oil processing.
  • Heaters of organic chemicals such as solvents.
  • Vegetable oil processing.
  • Desuperheaters in heat recovery.
  • High temperature interchanger.


Features and Benefits

  • Compact, offering considerable reduction in size and weight compare to traditional shell and tube exchangers.
  • High efficiency in a smaller package encourages the design of more compact engineered systems.
  • A choice of materials to suit applications. Plates are available in stainless steel, titanium or other alloys, shells in carbon steel, stainless steel, titanium and other alloys.
  • many are available with a variety of options such as number of plates, passes and nozzle configurations.