Immersion-Type Heat Exchanger

CALORPLAST Plastic Immersion-Type Heat Exchangers

For over 40 years, CALORPLAST plastic immersion-type heat exchangers have set the industry standard for heating and cooling highly concentrated inorganic acids, high-purity fluids, and corrosive or scaling liquids. By combining innovative CALORPLAST module technology with corrosion-resistant engineering plastics, these heat exchangers deliver a compact design with superior heat transfer efficiency.

CALORPLAST immersion-type heat exchangers are trusted across industries with stringent performance and cost-efficiency requirements. From surface technology and chemical processing to battery acid cooling, electrolyte management, and seawater applications, CALORPLAST delivers reliable, high-performance solutions tailored to diverse industrial needs.

Each immersion-type heat exchanger is custom-designed using advanced computer-aided simulations to meet specific process requirements. The core design features an array of thin-walled tubes, seamlessly integrated into a module through a patented manufacturing process. These modules can be welded, piped, and configured to optimize heating or cooling flows, achieving maximum surface density with minimal pressure loss. This results in heat transfer performance that often surpasses traditional metal immersion-type heat exchangers, such as tube or plate designs, within a comparable footprint. The open tube-pack design enhances heat transfer efficiency, promotes bath media circulation, and simplifies cleaning and maintenance. Even minor mechanical damage can be repaired on-site, ensuring operational continuity.

Unlike metal-based heat exchangers with coated surfaces, CALORPLAST immersion-type heat exchangers are constructed entirely from high-quality plastic. This eliminates the risk of creeping corrosion, even in the event of mechanical damage. Their lightweight design simplifies installation and removal, while compatibility with pressurized water, steam, or chemical cleaning processes ensures easy maintenance and an extended service life.

CALORPLAST standard immersion plastic heat exchanger
Immersion-Type Heat Exchanger

CALORPLAST plastic immersion-type heat exchangers have been setting the standard for over 40 years in heating and cooling highly concentrated inorganic acids,…

CALORPLAST immersion bath heat exchanger for external tanks
Immersion-Type Heat Exchanger – Receiver Tank Version

Process media stored in external tanks can be efficiently heated, cooled, or conditioned using CALORPLAST bath heat exchangers—all while saving space and…

CALORPLAST XS immersion bath heat exchanger for small electroplating and chemical tanks
Immersion-Type Heat Exchanger – XS version

The high level of adaptability also extends to compact solutions. Even in the smallest electroplating and chemical tanks—such as those used for…

CALORPLAST immersion bath heat exchanger with PFA coil for corrosive chemical baths
Immersion-Type Heat Exchanger – PFA Coil Version

PFA (perfluoroalkoxy) is the material of choice for heat exchangers where top-tier chemical resistance is essential. CALORPLAST manufactures compact, fully assembled PFA…

Immersion-Type Heat Exchanger – Steam Operation Version

When high temperatures and high output are required, steam is an ideal heating medium. CALORPLAST’s design allows for steam-operated, corrosion-resistant heat exchangers…

CALORPLAST all-plastic immersion grid coil for heating and cooling in metal finishing and chemical process tanks
Immersion-Type Heat Exchanger – XL Version

Thanks to their modular design, CALORPLAST heat exchangers can be scaled to meet the highest demands for heating or cooling capacity, providing…

CALORPLAST tank bottom immersion heat exchanger for heating and cooling process fluids
Immersion-Type Heat Exchanger – Tank Base Version

CALORPLAST’s modular immersion-type heat exchanger for tank bottom installation is ideal for applications with electrolytes, acids, ultrapure or demineralized water, wastewater, and…

Stainless Steel Immersion Heat Exchanger for metal finishing.
Immersion-Type Heat Exchanger – Stainless Steel Version

Stainless steel heat exchangers are ideal for applications where high temperatures and alkaline process media are present. Unlike conventional immersion-type heat exchangers…