Brazed plate heat exchanger dual-flow LD235-270L-2S-DN80SS (connections: 6 stainless steel flanges) 0255-0433

Application and performance in demanding conditions

This dual-flow brazed plate heat exchanger is a solution dedicated to installations where high efficiency is required while maintaining compact dimensions. Thanks to the LD235-270L-2S design, the device performs well in liquid-to-liquid heating and cooling systems, handling large thermal loads. A key element here is the optimal shaping of the flow channels – this not only ensures low flow resistance but also prevents the accumulation of contaminants inside the system, which translates to a lower risk of failure and lower service costs.

The dual-flow version (marked with the symbol 2S) allows for better heat exchange efficiency in situations where operating parameters are more demanding. Turbulent fluid flow, generated thanks to the special geometry of the plates, maximizes thermal energy transfer. This makes the device efficient in both heat pumps, chiller units, and technological systems.

Construction, resistance, and mounting

The entire unit is made of stainless steel, which guarantees high corrosion resistance and durability in aggressive environments. The tightness of the construction is the result of a vacuum brazing process – this ensures a permanent bonding of the plates without the need for mechanical seals, which could wear out. The device is characterized by high resistance to pressure changes up to 30 bar and temperatures up to 230 °C, making it a safe choice for installations with unstable operating parameters.

Mounting is facilitated by large stainless steel flange connections. In this model, we have six flanges with a nominal diameter of DN 80 on both sides (primary and secondary sides). This configuration allows for flexible connection to main pipelines without the need for additional reductions or adapters. It is worth noting that despite the large dimensions (height 788 mm, width 310 mm), the device maintains a relatively small volume for its thermal capacity.

Operating conditions and installation flexibility

The device can also be wrapped in thermal insulation thanks to the appropriate shape of the housing, which is important for installations requiring minimization of heat loss or protection against water vapor condensation. Simple mounting and disassembly facilitate service work or potential future unit replacement. Thanks to this solution, installers gain certainty of system operation even with large fluctuations in heating or cooling network parameters.

The key features of this model stem directly from its construction: stainless steel provides corrosion resistance, and the dual-flow configuration (2S) allows for efficient operation under high thermal loads. The device handles a medium with a temperature up to 230 °C and an operating pressure up to 30 bar, making it a universal component in industrial systems. The DN 80 diameter connections, made as stainless steel flanges (6 pieces), simplify integration with existing piping infrastructure. The entire unit has dimensions of 788 mm in height and 310 mm in width, and its shape allows for the use of standard insulation cladding for protection against energy losses.

The device complies with rigorous safety standards (PED, ASME), confirming its readiness for operation in professional industrial and commercial installations.