SonFlow Plate Heat Exchangers
SonFlow has developed an optimized and efficient range of plate heat exchangers, based on more than 45 years of experience. Our product line includes traditional, free flow, sanitary, condenser/evaporator, and brazed plate heat exchangers.
All our plate heat exchangers are customized to meet specific temperature requirements and capacities. This ensures that you will receive a plate heat exchanger tailored to your needs, regardless of the industry or process you are working with.
SonFlow benefits
- Founded by Aage Søndergaard, with decades of expertise in plate heat exchanger development.
- Offering a wide range of plate types.
- Engineered to match real-world operational demands.
- Aimed to optimize efficiency and minimize energy consumption.
Expandable
Saves time and money.
Compact Size
High Efficiency
Due to the pressed patterns in the plates and the
relatively narrow gaps, very high turbulence is
achieved at relatively low fluid velocity.
Close Approach Temperature
Possible to achieve close approach temperatures.
Multiple Duties in a Single Unit
Can be constructed with multiple sections,
separated by divider plates or more complex divider frames.
Less Fouling
A smooth plate surface minimizes fouling.
Lower Costs
Easy to Clean
Remove the tie bolts and slide back the
movable frame part, the plate pack can be
easily inspected and cleaned.
SonFlow provides a comprehensive range of sustainable plate heat exchangers suitable for various industries:
Traditional Plate Heat Exchangers
SonFlow offers an extensive selection of gasketed plate heat exchangers designed for diverse applications.
AHRI-Certified Plate Heat Exchangers
The AHRI certification program provides independent assurance to our customers that our plate heat exchangers will perform exactly as specified, and that they can trust our products to deliver the performance they need.
Free Flow Plate Heat Exchangers
SonFlow’s Free Flow series of heat exchangers is designed for unique tasks involving difficult media that contain particles, fibres, and liquids with high viscosity.
Sanitary Plate Heat Exchangers
SonFlow offers plate heat exchangers specifically engineered to meet the sanitary requirements in the food and beverage industry, pharmaceutical industry, and other related industries.
Condenser/Evaporator Plate Heat Exchanger
SonFlow’s Condenser/Evaporator is intended to condense low-pressure vapour and perform evaporative tasks. It is an ideal unit for various industries, including food, sugar, biogas, paper and pulp, mining, petrochemical, chemical, and alcohol.
Brazed Plate Heat Exchangers
SonFlow also provides an extensive range of copper-brazed heat exchangers for various applications in HVAC, refrigeration, and industrial sectors. The brazed plate heat exchanger is permanently sealed, ensuring optimal heat transfer and energy efficiency, even at high temperatures and pressures.
Check out brazed exchangers for high-efficiency applications
Find datasheets for all our plate heat exchangers here!
Applications:
SonFlow plate heat exchangers are solving heat transfer process challenges in many different industries:
- HVAC
- Marine
- Industrial
- Sanitary
- Wastewater
- Sugar
- Biogas
- Pulp and paper
- Mining
- Chemical
- Alcohol
- Oil and gas
Frame Construction
SonFlow’s plate heat exchangers are constructed to be extremely sturdy and with a robust structure. We offer different frame designs depending on the task and size of the plate heat exchanger.
Our frames are designed to provide easy access for
inspection, maintenance, and cleaning, including CIP-cleaning. With our frames, these tasks can be carried out smoothly and quickly, minimizing downtime and
increasing productivity.
We are ready to assist you
No matter the challenge, we are always ready to advise you on the best plate heat exchanger solution.

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