Heat ExchangersDanfossSONDEX®SONDEX brazed plate heat exchanger


SONDEX brazed plate heat exchanger

The SONDEX brazed plate heat exchanger (XB/SL) by SONDEX is combined in one product range so that we have a suitable heat exchanger for every application. The whole SONDEX brazed plate heat exchanger is sustainable, permanently sealed, and features advanced technology and superior safety features, to provide you to get the absolute best in heat transfer, with minimal operating costs. It is a compact and flexible solution, with highly efficient performance for your high pressure or extreme temperature applications.

Features and benefits

  • Low operational costs, small hold-up volume, and high performance make our brazed heat exchanger solutions the ideal choice for many applications. Cut your costs and increase your profits with the help of our brazed portfolio.
  • The permanently sealed heat exchangers offer a durable solution with an extended lifetime. Enjoy peace of mind with the double-walled design that provides the ultimate protection against leaks.
  • With the energy-optimized, tried-and-true Fishbone technology, or the revolutionary Micro Plate™ technology; the combined Danfoss and SONDEX® product range offers the ultimate in brazed heat transfer solutions.

Technical specifications

  • Connections from ¾” threaded BSP/NPT to flange DN150 (6″)
  • Brazing materials: Copper, copper+, or stainless steel
  • Plate materials: AISI 316*
  • Plate heights from 0.202 m to 1 m (0.66 – 3.3 ft)
  • Flow rates up to 150 m3/h (661 gpm)
  • Working pressure up to 40 bar (580 psi)
  • Working temperature from -196 °C to 225 °C (-321 °F to 437 °F)

*other materials available upon request


  • HVAC industry
  • Dairy/food/beverage industry
  • Refrigeration industry
  • Evaporator and condenser applications
  • Solar heating
  • Oil units
  • Heat recovery
  • Engine cooling
  • Evaporation and condensing
  • Desuperheating
  • Absorption systems
  • Domestic hot water installations
  • Process cooling
  • Hydraulic oil cooling
  • Laser cooling
  • Water cooling and heating