Spiral finned tubes are an innovative solution in heat exchange technology, designed to enhance thermal performance while maintaining a compact footprint. These tubes are utilized in various applications, including heating and cooling systems, power plants, and HVAC systems. Their enhanced surface area allows for greater heat transfer efficiency, making them an essential component in contemporary engineering practices.
Product Specifications
-
Fin Materials:
- Aluminum
- Copper
- Carbon Steel
- Stainless Steel
-
Tube Materials:
- A179, A192 and other permissible grades (no specific limitations on materials used)
-
Fin Thickness:
- Minimum: 200 µm
- Maximum: 800 µm
-
Tube Sizes:
- Diameter: 12.70 mm to 160.0 mm
-
Fin Size:
- Fins per inch: 7 to 11.5
- Maximum Fin Height: 16 mm
Types of Finned Tubes
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High Frequency Welded Fin Tube:
- Features crimped fins that are pressed onto the tube surface, ensuring maximum heat transfer efficiency. The materials used for fins and tubes are versatile, allowing customization according to application requirements.
-
High Fin Tube:
- Fin Material: Aluminum (A1050, A6061)
- Tube Size: 15.88 mm to 50.8 mm
- Fin Size: 7 to 11.5 fins per inch; maximum fin height of 16 mm.
-
L-Fin Tube (Wrap-On Type):
- Fin Material: Copper (C1100, C1220)
- Tube Size: 12.70 mm to 50.8 mm
- Fin Size: 7 to 11.5 fins per inch; maximum fin height of 16 mm.
-
G-Fin Tube (Embedded Type):
- Fin Material: Aluminum (A1100, A1050, A1060)
- Tube Size: 12.70 mm to 160 mm
- Fin Configuration: Various designs allowing for efficient thermal conduction.
-
Oval Fin Tube and Low Fin Tube:
- These can be crafted from a range of materials, including carbon steel and stainless steel, tailored to specific heat exchange applications.
-
Turbo-C and Turbo-E Tubes:
- Designed for applications requiring enhanced turbulence for improved heat transfer.
Industry Standards and Composition
Manufacturers and industry professionals must adhere to specific standards for finned tubes. For instance, specifications are outlined in ASME SB111, covering chemical compositions and material grades.
Spec |
OD Range (mm) |
Grade |
Cu (%) |
Sn (%) |
Al (%) |
Ni + Co (%) |
Pb (%) |
Fe (%) |
Zn (%) |
Mn (%) |
As (%) |
P (%) |
ASME SB111 |
4~200 |
C12200 |
≥99.9 |
- |
- |
- |
- |
- |
- |
- |
- |
0.015~0.040 |
ASME SB111 |
4~60 |
C44300 |
70~73 |
0.9~1.2 |
- |
- |
≤0.07 |
≤0.06 |
Rem. |
- |
- |
0.02~0.06 |
ASME SB111 |
4~60 |
C68700 |
76~79 |
- |
1.8~2.5 |
- |
≤0.07 |
≤0.06 |
Rem. |
- |
- |
0.02~0.10 |
ASME SB111 |
4~60 |
C70600 |
Rem. |
- |
- |
9.0~11.0 |
≤0.05 |
1.0~1.8 |
≤1.0 |
≤1.0 |
- |
- |
ASME SB111 |
4~60 |
C71500 |
Rem. |
- |
- |
29.0~33.0 |
≤0.05 |
0.4~1.0 |
≤1.0 |
≤1.0 |
- |
- |
Conclusion
Spiral finned tubes offer unparalleled efficiency in thermal applications, with a variety of materials and configurations available to meet diverse industrial needs. Whether for high-frequency welding applications or traditional finned tube systems, the versatility and adaptability of these
tubes ensure they can be utilized across multiple sectors, including power generation, petrochemical processing, and HVAC systems.
Benefits of Spiral Finned Tubes
-
Enhanced Heat Transfer Efficiency: The innovative fin design increases surface area exposure, resulting in greater heat exchange capabilities compared to traditional tube designs. This efficiency can lead to reduced energy consumption and cost savings for operating systems.
-
Corrosion Resistance: Utilizing materials such as stainless steel and aluminum provides better resistance to corrosive environments, which is especially crucial in applications involving fluids that may induce corrosion.
-
Space-Saving Design: The compact and tubular arrangements allow for installations in limited spaces without sacrificing performance. This is particularly advantageous in plant designs where space optimization is vital.
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Customizability: Spiral finned tubes can be customized to meet specific operational parameters, including fin configuration, material selection, and dimensional specifications based on customer needs. This flexibility ensures that each application receives a tailored solution.
-
Durability and Longevity: High-quality manufacturing practices and robust material choices contribute to the prolonged operational lifespan of spiral finned tubes. This durability reduces maintenance needs and costs over time.
Applications
Spiral finned tubes are utilized in a variety of applications, such as:
-
Heat Exchangers: Used extensively in industrial heat exchangers, these tubes facilitate the transfer of heat between fluids efficiently, making them suitable for both heating and cooling processes.
-
Boilers and Power Plants: Their improved thermal performance assists in optimizing boiler efficiency and reducing fuel consumption in power generation facilities.
-
Chemical Processing: Ideal for heat transfer processes within chemical reactors and distillation units, aiding in efficient thermal management.
-
Air Conditioning Systems: Spiral finned tubes enhance heat exchange in chilled water systems, ensuring effective cooling and energy efficiency in HVAC applications.
Industry Standards and Certifications
To maintain quality and performance, spiral finned tubes must comply with industry standards. Manufacturers often adhere to guidelines such as ASME (American Society of Mechanical Engineers) and ASTM (American Society for Testing and Materials). These standards dictate materials, mechanical properties, and performance criteria, ensuring that products are reliable and safe for use in critical applications.
Conclusion
In summary, spiral finned tubes represent a significant advancement in heat exchange technology, offering superior efficiency, adaptability, and durability. Their versatility across various materials and configurations makes them an indispensable asset in numerous industries. The combination of innovative design, enhanced thermal performance, and compliance with rigorous industry standards positions spiral finned tubes as a preferred choice for engineers and industrial applications seeking to optimize thermal efficiency and reduce operational costs.
By choosing spiral finned tubes for your heat transfer applications, you are investing in a solution that promises reliability, efficiency, and performance tailored to your specific needs.