I. Product Name: H-Type Condenser

ⅡProduct Features

1. High-Efficiency Heat Exchange Performance

· Larger heat exchange area per unit volume

o 7mm (OD) copper tubes are thinner than traditional sizes (e.g., 9.52mm, 12mm), allowing for a higher tube density within the same volume or a reduction in tube length for the same heat capacity.

o Optimized surface-to-volume ratio: Smaller diameters offer a larger specific surface area, increasing heat transfer area per unit length. This enhances thermal conductivity between the refrigerant and ambient air, especially effective in air-cooled condensers where the air-side heat transfer coefficient is typically low.

o Enhanced turbulence effect: The smaller inner diameter (approx. 6-6.4mm) increases refrigerant flow velocity, promoting turbulence. This reduces boundary layer thermal resistance and improves the internal convective heat transfer coefficient.

· Thin-wall design and thermal conductivity advantages

o Copper possesses high thermal conductivity (approx. 401 W/(m·K)). The 7mm diameter allows for thin-wall configurations (e.g., 0.35mm), further reducing thermal resistance for faster heat transfer from the internal refrigerant to the tube exterior.

2. Compactness and Space Optimization

· System miniaturization

o Small diameters enable denser tube layouts (e.g., multi-row or micro-channel structures) within limited spaces. In automotive A/C, residential outdoor units, and compact refrigeration equipment, this saves installation space and supports lightweight design.

o The small bending radius (typically 2-3x diameter) facilitates complex layouts and fits irregular spaces (e.g., circular or curved units).

· Lightweight and material efficiency

o A single 7mm tube weighs about 50%-60% of a 9.52mm tube. Reducing overall copper usage lowers costs and weight—a significant advantage for weight-sensitive applications like vehicle-mounted or mobile equipment.

3. Flow Characteristics and System Compatibility

· Reduced refrigerant charge

o Smaller internal volumes (e.g., 28.3cm³/m for 7mm OD vs 50.3cm³/m for 9.52mm OD) reduce the required refrigerant charge. This lowers costs and environmental impact (especially for eco-friendly refrigerants like R32, R290) while facilitating rapid system start-stop and dynamic adjustment.

· Pressure drop and circuit optimization

o While smaller diameters may increase flow resistance, pressure drop can be balanced via multi-circuit designs. Modern simulation technology allows for precise optimization of tube length and circuitry to maintain high COP while keeping pressure drop within reasonable limits (e.g., ≤0.1MPa).

4. Corrosion Resistance and Reliability

· Copper offers inherently strong corrosion resistance. A 0.35mm wall thickness is sufficient for standard conditions (condensing temp ≤60°C, pressure ≤2.5MPa). Corrosion resistance and service life can be further extended through fin coatings, such as hydrophilic aluminum foil.

III. H-401CD Condenser Technical Parameters