HEXONIC in the fight between shell and coil JAD and brazed plate heat exchangers in steam application

Very often in the practice different type of heat exchangers are used with other than the design purpose applications.

In industrial applications, the choice between tubular and plate heat exchangers is critical to avoid operational disruptions and ensure reliable performance. Plate heat exchangers are commonly misapplied in steam applications, where the high temperature differences and rapid expansions lead to substantial stress and potential damage. Hydraulic shocks from sudden flow rate changes further compromise their structural integrity. Brazed solutions, suitable for stable phase change applications like heat pumps and refrigeration cycles, still face challenges such as freezing and safety concerns.

On the other hand, tubular units like the JAD and DNA product lines offer effective alternatives. The JAD, a spiral tube bundle within a shell-and-tube design, enhances heat transfer efficiency through increased surface area and turbulent flow. This technology facilitates phase changes, making it suitable for diverse applications, including ground water heat pumps. Its welded stainless steel construction enables direct heating or cooling of aggressive media, ensuring reliability and compact design at a competitive price point.

The DNA product line, patented by Hexonic, stands out with an innovative tube bundle profile that maximizes heat transfer area and minimizes pressure drops. Operating on the shell side with steam allows handling larger steam quantities, making it a leader in the industrial segment. Unfortunately, some brands persist in promoting plate heat exchangers for steam applications, risking operational disruptions in crucial sectors like production processes, heating systems for public buildings, hospitals, industrial facilities, and swimming pools. The Hexonic tubular units, with their superior performance and reliability, present a compelling and successful alternative to plate heat exchangers in these demanding applications.

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