Stringent Environmental Refrigerant Regulations Drive Technological Iteration in Brazed Plate Heat Exchangers
In response to climate change, the global phase-out of high-GWP (Global Warming Potential) refrigerants is accelerating. Industry observers note that this regulatory trend is not only reshaping the technological roadmap of the refrigeration and air conditioning industry but also imposing innovative requirements on the design and materials of its core component-the brazed plate heat exchanger.
The implementation of the Kigali Amendment has promoted low-GWP refrigerants like R32 and R1234ze as new market favorites. However, these new substances often exhibit characteristics such as higher operating pressures and poor compatibility with traditional mineral oils, directly challenging the pressure resistance, material compatibility, and reliability of heat exchangers.
In response, leading manufacturers are iterating technologies by adopting thicker plates, optimizing brazing processes, and improving the purity of stainless steel materials. These upgrades ensure that the new generation of brazed plate heat exchangers meets the stringent requirements of new refrigerants in terms of system efficiency and reliability, enhancing their appeal in applications such as variable refrigerant flow systems and high-efficiency heat pumps.