Plate-and-fin heat exchanger
| Product Details
The plate‑and‑fin heat exchanger employs advanced mechanical tube expansion and an aluminum fin structure with arcuate corrugations and double‑flanged edges. Mechanical expansion ensures tight contact between the copper tubes and aluminum fins, while the arcuate corrugations promote turbulent flow, disrupt the air boundary layer, and enhance the heat transfer coefficient. Combined with a sophisticated design and well‑optimized tube count and fin pitch, this heat exchanger offers excellent heat transfer performance, low airflow resistance, a compact footprint, and light weight.
Scope of Application
It is widely used in air-conditioning, cooling, dehumidification, and heating systems, serving as an ideal matching component for the latest fan‑coil units and air handling units. It can also be connected to ductwork and operated independently as a cooler or heater.
Product Features
- Fast heat dissipation, high heat exchange efficiency, dual heating and cooling functionality, acid- and alkali-resistant, and excellent temperature resistance.
- Hydrophilic aluminum fin: tightly bonded, significantly enhancing heat transfer performance.
- Thickened copper tubing: seamless red copper pipe, long-lasting and durable, resistant to cracking.
- Brass water head: The venting water head features a brass construction, ensuring stability and durability.
Our factory manufactures finned‑tube heat exchangers (cooling coils) constructed from copper or stainless steel tubes paired with hydrophilic aluminum, copper, or stainless steel fins. We offer tube diameters of 9.52 mm, 12.7 mm, and 15.88 mm. These cooling coils lower air temperature through heat exchange between chilled water and air, serving as a core component in air-conditioning and dehumidification systems. While copper tubes and aluminum fins deliver excellent heat transfer, stainless steel tubes, sheets, and copper sheets provide superior corrosion resistance under specific operating conditions; therefore, customers should select the appropriate configuration based on their application requirements. The most widely used configuration is copper tubes combined with hydrophilic aluminum fins. Hydrophilic aluminum foil undergoes a specialized treatment that deposits a hydrophilic coating on its surface, enabling condensate to spread rapidly rather than forming droplets. This increases the effective heat‑transfer area, accelerates cooling and heating rates, and effectively reduces noise caused by condensate obstructing airflow. Our facility is equipped with four high‑speed punching presses, producing both straight‑fin and corrugated‑fin aluminum foils. Corrugated fins further enhance heat‑transfer efficiency by increasing the surface area. After inserting the copper tubes into the punched hydrophilic aluminum fins, we perform tube expansion to ensure a tight mechanical bond between the tube and the fin, thereby optimizing heat‑transfer performance. Following fabrication, each unit undergoes water‑pressure and air‑pressure leak testing, with a pressure hold of 0.8 MPa for 24 hours, to confirm complete leak‑tightness before painting and shipment.
Keywords:
Heat exchanger
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