SEAMLESS HEAT EXCHANGER
The BOIXAC seamless heat exchangers are industrial units designed for efficient thermal energy recovery and transfer by means of a continuous helical tube coil manufactured without welded joints. This construction concept ensures very high mechanical reliability, facilitates inspection and quality control procedures, and significantly reduces certification requirements in critical industrial applications.
Also known as cartridge-type heat exchangers, these units are particularly suitable for direct integration into other systems such as boilers, evaporators, condensers and industrial process equipment, providing a compact, efficient solution that can be easily installed using a flanged connection.
Their simple yet highly efficient architecture makes them a benchmark solution for high value-added industrial projects, including aerospace, nuclear, chemical and energy applications.
Operating principle and application fundamentals
The seamless heat exchanger operates through a continuous helical tube coil, through which the process fluid flows either internally or externally. The complete absence of welds eliminates critical stress concentration points, improves behaviour under thermal expansion and increases resistance to high pressures.
This construction principle allows:
Highly efficient heat transfer within a reduced footprint
Operation with liquid fluids or vapour
Safe operation at high pressures and temperatures
A significant reduction in leak and structural failure risks
The cartridge format enables direct insertion into existing equipment, allowing vapour condensation, fluid cooling or energy recovery before reinjection into the process circuit.
Key advantages for industry
BOIXAC seamless heat exchangers are designed for demanding industrial environments where reliability, safety and ease of inspection are decisive factors.
Main advantages include:
Complete elimination of welds and structural weak points
Reduced inspection, testing and certification costs
Compact design with high thermal transfer density
Easy installation via flanged connection
Excellent resistance to high pressure and severe process conditions
Typical industrial applications
Thanks to their robustness and versatility, BOIXAC seamless heat exchangers are used in a wide range of industries:
Food and beverage processing: vapour condensation and thermal control
Agriculture and greenhouses: energy recovery and climate control
Chemical and pharmaceutical industry: high-safety process applications
Industrial HVAC and refrigeration
Water treatment and purification
Industrial drying and marine installations
Technical innovation and construction features
Flexible configurations
Helical tube coils can be designed in multiple formats, spiral diameters and tube sections, precisely adapted to each application and process condition.
Seamless construction
Continuous manufacturing without welded joints provides outstanding mechanical strength, even in applications subject to fouling, high pressure or intensive thermal cycling.
Operational precission and reliability
The intentionally simplified yet highly precise design results from specialised technical support and extensive experience in complex industrial projects, ensuring stable operation and long service life.
Typical ROI
3-12 months
Resistance
to high pressures
Warranty
2 years
Design
no welds
Why choose BOIXAC?
BOIXAC concep solucions avançades d’intercanvi de calor orientades a processos industrials crítics:
Alta fiabilitat i seguretat constructiva
Optimització del control i la certificació
Dissenys compactes i integrables
Solucions personalitzades segons procés i sector
Experiència contrastada en indústria química, energètica, alimentària, aeroespacial i de procés avançat
What is a seamless heat exchanger?
It is a heat exchanger based on a continuous tube coil manufactured without welded joints, providing high structural reliability and efficient heat transfer.
Why is eliminating welds advantageous?
Because it removes stress concentration points, reduces leakage risks and simplifies inspection and certification processes.
How does it differ from a conventional heat exchanger?
It stands out for its compact design, high-pressure resistance and ease of integration into existing equipment.
Is it suitable for steam applications?
Yes. It is particularly suitable for steam condensation and high-temperature, high-pressure processes.
Can it be integrated into other equipment?
Yes. The cartridge design allows direct insertion into boilers, condensers and industrial process equipment.
What maintenance does it require?
Maintenance requirements are minimal thanks to the simple construction and the absence of welds.
Which construction materials are commonly used?
Depending on the application, carbon steel and stainless steels AISI 304, AISI 316, AISI 309 and AISI 310 are used.
Steam heat exchanger
Bare tubes heat exchanger
Flat tubes heat exchanger