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Product Introduction: Spiral Finned Tubes

Overview

Spiral finned tubes are specialized heat exchangers designed to enhance thermal efficiency in various industrial applications. These tubes are characterized by their unique fin structure that maximizes surface area for heat transfer while being versatile in terms of construction materials and dimensions. Spiral finned tubes are commonly used in applications such as heat recovery systems, condensers, and evaporators in the petrochemical, power generation, and HVAC industries.

Product Specifications

Fin Materials

Spiral finned tubes can be manufactured using a range of fin materials to suit specific operational needs:

• Aluminum
• Copper
• Carbon Steel
• Stainless Steel
• Duplex Stainless Steel: Grades 2205 and 2507, ideal for highly corrosive environments.

Tube Materials

Our finned tubes are customizable with a variety of tube materials, providing flexibility for diverse applications. Common options include:

• A179: Low-carbon steel; good for moderate temperatures.
• A192: Ideal for high-pressure applications and has excellent mechanical properties.
• No Limits: Custom materials can be sourced upon request.

Fin Dimensions

• Fin Thickness: Ranges from a minimum of 200 µ to a maximum of 800 µ, ensuring optimal heat transfer while maintaining structural integrity.
• Tube Sizes: Available in a diameter range of 12.70mm to 160.0mm.
• Fin Size: Our designs accommodate 7 to 11.5 fins per inch, with a maximum fin height of 16mm.

Types of Finned Tubes

High Frequency Welded Fin Tube

This configuration includes a crimped base fixed to the tube through pressure application. It promises robust performance and effective heat transfer. Characteristics include:

• Fin Materials: Aluminum, copper, carbon steel, and stainless steel.
• Tube Materials: Open to all materials based on customer specifications.
• Fin Thickness: Minimum of 200 µ and up to 800 µ.

Extruded Fin Tube

Manufactured using advanced extrusion techniques, these tubes offer enhanced strength and thermal efficiency. They can be constructed from:

• Fin Materials: Aluminum grades such as A1050, A6061.
• Tube Sizes: Diameter range of 15.88mm to 50.8mm.
• Fins per Inch: 7 to 11.5, with a maximum height of 16mm.

L-Fin Tube (Wrap On Type)

These tubes utilize a wrap-on design that enhances heat transfer:

• Materials: All kinds of materials, including copper grades C1100 and C1220.
• Tube Sizes: Ranges from 12.70mm to 50.8mm.
• Fin Height: Max height of 16mm with 7 to 11.5 fins per inch.

G-Fin Tube (Imbedded Type)

This design features fins imbedded within the tube wall for improved strength and conduction:

• Materials: Available in aluminum grades like A1100, A1050, and A1060.
• Tube Sizes: Ranges from 12.70mm to 160mm.

Other Variants

• Integral Copper & Copper Alloy High Fin Tube: Suitable for higher thermal conductance with diameters from 15.88mm to 22.23mm and a fin height max of 12mm.
• Oval, Low Fin, Turbo-C, and Turbo-E Tubes: These tubes offer unique profiles to optimize specific applications, catering to various fin configurations and material compositions.

Industry Standards and Specifications

When manufacturing spiral finned tubes, adhering to industry standards is crucial to ensure performance, safety, and reliability. Key standards include:

• ASME SB111: Specifies requirements for copper and copper alloy tubes, highly regarded for their thermal efficiency and corrosion resistance.
• Chemical Composition Requirements:
  • C12200: Copper ≥ 99.9%
  • C44300 and C68700: Defined levels of Tin and Nickel for alloy performance.
  • C70600 and C71500: Stipulated limits on lead, iron, and zinc for quality assurance in demanding environments.

Conclusion

Spiral finned tubes stand out as a superior solution for heat exchange applications, offering customizable features to meet the ever-changing demands of industries. Their efficient thermal performance and robust design, compliant with stringent industry standards, make them an ideal choice for engineers and decision-makers seeking reliability and excellence in heat transfer technology. For inquiries or further information regarding custom solutions tailored to your unique operational needs, please contact us.