Hengling manufactures full‑range industrial finned heat exchangers, including fin coil heat exchangers, air‑cooled condensers and custom thermal solutions. Available in L‑shape, U‑shape, square, round and V‑type configurations with CE, UL, RoHS certifications for HVAC, refrigeration, cold storage and industrial process cooling.
Hengling Industrial Finned Heat Exchangers
A heat exchanger transfers thermal energy between two or multiple working fluids. It is widely deployed for temperature regulation and heat recovery across refrigeration, HVAC, chemical processing, power generation and other industries. According to construction and application scenarios, heat exchangers fall into three major categories: finned‑coil heat exchangers, air‑cooled condensers, and custom‑built thermal solutions. They serve residential‑commercial refrigeration units, large‑size chiller systems and heavy‑duty industrial special‑condition projects respectively.
Dongguan Xinju Air‑Conditioning Electromechanical Co., Ltd (Brand: HENGLING) is located at No.78 Qiaotou Yinling Street, Qiaotou Town, Dongguan City, Guangdong Province. The company specializes in design and manufacturing of industrial heat exchange equipment. Our products comply with RoHS and REACH environmental standards, and can be supplied with CE, UL certifications. We hold manufacturing qualifications for industrial pressure vessels and large heat‑exchange equipment. Our complete product portfolio covers the above‑mentioned three main categories to meet diversified requirements for heat dissipation, cooling, waste‑heat recovery and process temperature control.
1. Finned‑Coil Heat Exchanger Series
Finned‑coil heat exchangers are critical thermal components for air‑conditioning and refrigeration systems. They are commonly used in residential & commercial air‑conditioners, cold storage, on‑board air‑conditioning for vehicles and marine vessels. This series includes five configurations: standard type, L‑shape, U‑shape, square type and round type, to match various installation space constraints and operating conditions.
1.1 Standard Finned‑Coil Heat Exchanger
Construction: Assembled of inner‑groove copper tubes paired with aluminum or copper fins. Fin material options include plain aluminum foil, hydrophilic aluminum foil and copper foil for different project requirements.
Working Principle: Extended fin surfaces enlarge air‑side contact area. Heat transfer takes place between air flow outside fins and refrigerant circulating inside copper tubes. This coil can function either as evaporator or condenser to realize energy conversion within refrigeration loops.
Technical Notes: For high‑humidity or corrosive environments, hydrophilic aluminum fins improve condensate drainage performance, while copper fins deliver superior anti‑corrosion capability. Material combinations can be customized for specific working conditions.
Applications: Central air‑conditioning systems, cold‑storage refrigeration, rail transit, special‑purpose vehicles, dehumidifiers and other thermal equipment.
1.2 L‑Shape Finned‑Coil Heat Exchanger
Construction: Adopts integral bending process for multi‑row coils, different from conventional segmented assembly.
Working Principle: The bent L‑shape profile maintains full heat‑exchange area while fitting installations with corner‑space limitations.
Technical Notes: Integral bending improves overall structural rigidity. It reduces risks of fin collapse and tube abrasion‑leakage during long‑distance transportation. Optimized structure also lowers air‑side pressure drop to cut system energy consumption.
Applications: Air‑conditioning & refrigeration units with corner or irregular‑space constraints.
1.3 U‑Shape Finned‑Coil Heat Exchanger
Construction: Compact one‑piece configuration processed by specialized tube‑bending machinery.
Working Principle: Mechanical tube expansion tightly bonds copper tubes to fin holes to minimize contact thermal resistance, delivering large heat‑transfer capacity within limited footprint.
Technical Notes: Tube expansion (hydraulic or mechanical pressing) ensures close contact between tube outer wall and fins. Bonding quality directly decides overall heat‑transfer efficiency, ideal for compact‑size equipment design.
Applications: Refrigeration & heating devices requiring high heat output within restricted installation space.
1.4 Square Finned‑Coil Heat Exchanger
Construction: Square profile dimensioned to match standard air‑handling unit casings.
Working Principle: Modular square‑shaped coils can be directly fitted inside fresh‑air units or AHU cabinets for heat exchange between process air and internal working fluid.
Technical Notes: Standard square dimensions align with cabinet mounting cutouts, simplifying on‑site installation and minimizing field modification work.
Applications: Industrial fresh‑air handlers, air‑handling units (AHU).
1.5 Round Finned‑Coil Heat Exchanger
Construction: Circular coil layout for special‑duct installation requirements.
Working Principle: Circular geometry enables even circumferential air distribution and mitigates local low‑efficiency heat‑transfer dead zones.
Technical Notes: Tailored for special duct designs requiring uniform heating or cooling across all radial directions for special fluid machinery.
Applications: Supporting components for special‑purpose fluid mechanical equipment.
2. Air‑Cooled Condenser Series
Air‑cooled condensers focus on refrigerant de‑superheating and condensation. Compared with general finned coils, condensers feature heavier‑duty construction and are normally equipped with matched custom fan systems. Three main layouts are available: top‑blow, side‑blow and V‑type top‑discharge condenser.
2.1 Top‑Discharge Air‑Cooled Condenser
Construction: Sheet‑metal housing material options include galvanized steel, powder‑coated steel, anti‑rust aluminum, embossed aluminum and stainless steel, assembled with fin‑tube bundles and fan sets.
Working Principle: Forced convection by matched fans discharges hot air vertically upwards, achieving rapid refrigerant condensation.
Technical Notes: Multiple housing material selections adapt to corrosion levels from standard machine‑room environments up to heavily corrosive industrial workshops.
Applications: Refrigeration condensation circuits for various industrial machine rooms and production workshops.
2.2 Side‑Discharge Air‑Cooled Condenser
Construction: Air outlet located on unit side with compact overall footprint.
Working Principle: Hot exhaust air discharges horizontally, suitable for outdoor installation or sites with narrow ventilation clearance.
Technical Notes: Side‑discharge layout provides great flexibility for various on‑site layout restrictions.
Applications: Outdoor
