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Product Description
The Aidear Copper Brazed Plate Heat Exchanger is a compact, gasket-free, high-performance heat transfer solution ideal for efficient fluid-to-fluid exchange in industrial and commercial systems. As captured in the production workshop photo, these units feature vacuum-brazed corrugated 316L stainless steel plates with pure copper filler, creating robust, leak-proof channels with multiple stainless steel ports (threaded or flanged). The stacked, palletized assemblies demonstrate consistent manufacturing quality—uniform plate alignment, clean copper brazing seams, and precise port machining—ready for packaging and deployment in bulk orders.
This brazed plate design excels in applications requiring high thermal efficiency, minimal footprint, and reliable operation under varying pressures and temperatures, outperforming traditional exchangers in space-constrained or high-demand setups.
Product Type: Copper Brazed Plate Heat Exchanger (BPHE) / Vacuum Copper Brazed Stainless Steel Plate Heat Exchanger
Plate Material: AISI 316L Stainless Steel (standard for enhanced corrosion resistance against chlorides and aggressive media; 304 or higher alloys optional)
Brazing Material: Pure Copper (99.9% for maximum thermal conductivity and joint strength; nickel brazing available for ammonia, deionized water, or highly corrosive fluids)
Port / Connection Material: Stainless Steel (threaded NPT/BSP, soldered copper, flanged, or custom; sizes from 3/4" to 4" or DN20–DN100)
Operating Medium: Water, Glycol solutions, Refrigerants (R410A, R134a, R404A, R32, R290, CO₂), Thermal Oil, Steam (low-amine), Hydraulic Fluids, Mild Chemicals
Design Pressure: Standard 30–45 bar (435–653 psig); high-pressure configurations up to 100+ bar for specialized duties (e.g., transcritical CO₂)
Design Temperature: -196°C to +225°C (copper brazed limit; extended ranges with alternative brazing)
Plate Configuration: Chevron or dimple corrugation patterns for optimal turbulence; single/multi-pass flow; asymmetric channels optional; plate count adjustable for precise capacity
Additional Options: Mounting brackets, insulation jackets, double-wall safety plates, special port layouts, low-fouling designs, PED/ASME/UL certifications
The vacuum brazing process bonds plates at every contact point, utilizing nearly the full surface area for heat transfer and achieving exceptionally high coefficients with low approach temperatures (1–3°C possible). Copper brazing provides superior conductivity, while 316L plates offer excellent resistance to pitting, crevice corrosion, and scaling. The compact, lightweight construction reduces refrigerant/fluid charge, installation costs, and system footprint—often 80–90% smaller than equivalent shell-and-tube units—while the gasket-free design eliminates leaks and maintenance needs in most services.
Refrigeration evaporators, condensers, subcoolers, and economizers
Heat pump systems (air-to-water, ground-source, cascade)
Boiler companion and indirect domestic/commercial hot water heating
Oil cooling in compressors, hydraulics, and engines
Process heating/cooling in food, beverage, pharmaceuticals, and chemicals
Waste heat recovery, solar thermal, and district energy loops
Manufactured with precision in Aidear's dedicated lines (as shown by organized workshop staging, tooling, and quality control), these copper brazed plate heat exchangers combine proven durability, energy efficiency, and adaptability. Contact us for application engineering support, performance modeling, material compatibility reviews, custom configurations, and project-specific pricing to integrate the perfect heat exchanger into your system.
