Extruded Fin Tube
Copper tubes with low fins, high fins or medium-high fins.
Professional Copper Finned Tubes Manufacturer
Cufin Tube is specialized in manufacturing a wide range of copper finned tubes, including integral finned tubes, extruded finned tubes, and bimetallic finned tubes. Our products are designed for various heat exchanger applications, such as condensers, evaporators, boilers, and chillers, ensuring efficient heat transfer and durability in demanding industries like HVAC, energy, and petrochemicals.
Technical Specification:
- Fin height of the fin is more than 5mm;
- Heat transfer surface area is more than 7 times of the plain tube;
- Fin density: 5 fins/inch; 7 fins/inch; 8 fins/inch; 9 fins/inch.
- Outer diameter is 30-60mm;
- Fin height: 5-15mm;
- Maximum processing length: 7m.
Main Application:
- The finned tube is suitable for: gas to gas heat exchangers; gas to water heat exchangers; gas to oil heat exchangers.
- It’s suitable for air cooler and heater of thermal power plant.
- It’s also suitable for the cooler and gas dryer of the air cooler etc.
Copper Finned Tube Parameter
| Code | Plain End | Plain End | Plain End | Finned Section | Finned Section | Finned Section | Finned Section | Nominal (m2/m) | Surface Area Ratio |
|---|---|---|---|---|---|---|---|---|---|
| CTHF | Outside Diameter(mm) | Inside Diameter(mm) | Nominal Wall(mm) | Outside Diameter(mm) | Fin Height (mm) | Min Wall Under Fins(mm) | Fin Per Inch(mm) | Ourside Surface Area | Outside to Inside |
| 39-19-7 | 19 | 16 | 1.5 | 39 | 9 | 1.6 | 7 | 0.535 | 10.64 |
| 45-23-7 | 23 | 19.8 | 1.6 | 45 | 10.5 | 1.7 | 7 | 0.704 | 11.32 |
| 46-25.9-5 | 25.9 | 22.4 | 1.75 | 46 | 9.5 | 1.85 | 5 | 0.535 | 7.6 |
| 47-25.9-7 | 25.9 | 22.4 | 1.75 | 47 | 10.5 | 1.85 | 7 | 0.75 | 10.65 |
| 48-25.4-7 | 25.4 | 22 | 1.7 | 48 | 10.5 | 1.8 | 7 | 0.76 | 11.13 |
What Is Extruded Fin Tube?
Extruded fin tubes are specialized heat exchanger tubes characterized by fins that are formed directly on their surface through an extrusion process. This design significantly enhances the surface area available for heat transfer, improving efficiency in various applications. Main features:
Manufacturing Process: Fins are created by forcing a metal, usually aluminum, through a die, resulting in fins that are tightly bonded to the tube, ensuring excellent thermal contact.
Materials: Common materials include carbon steel, stainless steel, copper, and aluminum. The choice depends on the specific application requirements such as temperature and corrosive environment.
Types of Fins: Fins can be solid or serrated, tailored to optimize performance based on the intended use.
Advantages Of Extruded Fin Tubes
Enhanced Heat Transfer: The increased surface area allows for better heat exchange between fluids inside and outside the tube.
Compact Design: This design enables more compact heat exchangers, beneficial in space-constrained environments.
Corrosion Resistance: The fins help protect the base tube from corrosive materials, extending its lifespan and reducing maintenance costs.
How do extruded fin tubes Work?
Extruded fin tubes enhance heat transfer efficiency by creating a continuous, strong bond between the fins and the core tube through the extrusion process. This reduces thermal resistance, allowing heat to flow more efficiently from the tube to the fins.
The fins also increase the surface area available for heat exchange, improving heat dissipation. The tight mechanical connection ensures durability and sustained performance, making them ideal for high-efficiency applications in heat exchangers, boilers, and condensers.
Applications Of Extruded Fin Tubes
Extruded fin tubes are widely used in industries such as:
- Power Generation: Used in heat exchangers for electric, nuclear, and geothermal power plants.
- HVAC Systems: Essential in heating, ventilation, and air conditioning systems for efficient thermal management.
- Refrigeration: Employed in refrigeration units to improve heat exchange efficiency.
- Chemical Processing: Utilized in reactors and heat exchangers within petrochemical and chemical plants.
These tubes play a crucial role in air-cooled heat exchangers, where efficient heat transfer is essential for system performance
Other Applications Including :
- Food Processing
- Marine Applications
- Natural Gas Treatment
- Gas Recovery Systems
- Steam Coils
- Timber Drying
- Air-Cooled Heat Exchangers
- Textile Industry
- Waste Heat Recovery
- Industrial Ovens
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Mass Production Photos
Check how we will produce your finned tube bulk orders of in our future cooperation. We take every step seriously, from raw material to packaging, to ensure that the fin tubs delivered to your warehouse are 100% qualified.
Frequently Asked Questions
About Extruded Fin Tubes For Heat Exchangers
What materials are available for extruded finned tubes, and which is best suited for a high-corrosion environment?
We offer extruded finned tubes in copper, aluminum, stainless steel, and titanium. For high-corrosion environments, stainless steel and titanium are the best options due to their superior corrosion resistance.
Can you provide the thermal conductivity data for copper extruded finned tubes?
What are the typical dimensions available for extruded finned tubes?
We manufacture extruded finned tubes in various sizes, with fin heights ranging from 5mm to 15mm and tube diameters from 30mm to 60mm. Custom dimensions can also be provided upon request.
What industries typically use extruded finned tubes, and how do they benefit from their use?
Can you customize the fin pitch and thickness for extruded finned tubes based on specific project needs?
Yes, we can customize the fin pitch and thickness according to your specifications to ensure optimal performance for your application. Please provide your required parameters for further details.
What testing and quality assurance processes are in place for your extruded finned tubes?
Our extruded finned tubes undergo rigorous testing, including pressure testing, dimensional checks, and corrosion resistance tests. We comply with international standards like ASME and ASTM to ensure product quality.
What packaging do you use to ensure the safe transport of finned tubes?
We use sturdy wooden crates with proper internal supports and protective wraps to ensure that the finned tubes arrive safely without damage during shipping.
What is the typical lead time for manufacturing and delivering extruded finned tubes?
The lead time for extruded finned tubes is typically 4-5 weeks, depending on the order size and customization requirements. Expedited production can be arranged for urgent projects.
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