Danfoss and SONDEX® brazed plate heat exchangers

Danfoss and SONDEX® brazed heat exchangers (XB/SL) have been consolidated into a single, combined product portfolio for complete coverage of all applications. The durable, permanently sealed heat exchangers feature advanced technology and superior safety measures designed to provide you with the ultimate in heat transfer with minimal operational costs.

XB/SL brazed plate heat exchangers offer a compact and flexible solution designed for ultra-efficient performance for your high-pressure or extreme-temperature applications.

Features and benefits

  • Low operational costs, small hold-up volume, and high performance make brazed heat exchanger solutions the ideal choice for many applications. Cut your costs and increase your profits with the help of 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
  • Brazing materials: Copper, copper+, or stainless steel
  • Plate materials: AISI 316*
  • Plate heights from 0.202 m to 1 m
  • Flow rates up to 150 m3/h
  • Working pressure up to 40 bar
  • Working temperature from -196 °C to 225 °C

*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

Copyright © • Sondex A/S • Member of Danfoss Group