Why Use Gasket in Plate Heat Exchanger

Gaskets in plate heat exchangers (PHEs) play a critical role in ensuring efficient heat transfer and preventing leaks between plates. These components are designed to withstand high temperatures and pressures while maintaining a tight seal, which is essential for optimal performance in industries like HVAC, chemical processing, and power generation. According to industry reports, gasketed plate heat exchangers account for over 60% of the global PHE market due to their cost-effectiveness, ease of maintenance, and adaptability to various fluids.

The primary advantage of using gaskets in plate heat exchangers is their ability to simplify maintenance and reduce downtime. Unlike welded or brazed models, gasketed PHEs allow for easy disassembly and replacement of plates or gaskets, minimizing operational disruptions. Studies show that gasket replacement can extend the lifespan of a heat exchanger by up to 15 years, significantly lowering total ownership costs. Additionally, gaskets are available in materials like NBR, EPDM, and Viton, catering to different chemical and thermal conditions. For instance, EPDM gaskets are ideal for high-temperature applications (up to 150°C), while Viton is preferred for aggressive chemical environments. With proper selection and maintenance, gasketed PHEs can achieve thermal efficiencies exceeding 90%, making them a preferred choice for energy-conscious industries.