L Type Finned Pipe A179 Carbon Steel Fin tube Al Fin For Air Cooler

A179 Seamless Tube with Aluminum Al1060 Embedded G type Fin tube

Quick Detail:

Tube OD:16mm min. 219.1mm(8'') max.
Tube Length: 25000mm max.
Fin Height: 50 mm max.
Fin Thickness: generally 0.2mm ~3.0mm
Fin Pitch: 2.3 mm (11FPI) min. or custom for client

Manufacturing process
The aluminum fin strip is tension wound and placed into a groove cut into the tube with appr. 0.4mm fluted depth.

Surface Protection of Plain Ends
Both ends of Grooved G type Fin Tubes shall be Zinc or Aluminum metalized applied by an electro spray arc system coating.

Acceptance criteria
API Standard 661(Air-Cooled Heat Exchangers for General Refinery Service) or the delivery conditions (TDC).

Accessories
Tube support box, clamp or spacer box (Materials: Aluminum, Zinc and Stainless Steel).

Delivery condition:
Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of G-Fin Embedded Finned Tube.
The desiccants are put into each package for continental transporation as well.

L-type fin tubes, also known as L-foot fin tubes, are a type of finned tube used in heat exchangers, boilers, and other heat transfer equipment. They are characterized by a fin that is wrapped around the tube and footed at the base to form an "L" shape. This design enhances the surface area for heat exchange while providing a secure attachment to the base tube.

Key Characteristics:
Material: The base tube and fins can be made from various materials, including carbon steel, stainless steel, aluminum, and copper, depending on the application requirements.
Fin Type: The fins are helically wound around the tube with a foot at the base, creating an "L" shape. This design improves the contact between the fin and the tube, enhancing heat transfer efficiency.
Manufacturing Process: The fins are mechanically wrapped around the tube, and the "L" foot provides a tight fit, ensuring good thermal conductivity and mechanical strength.

Benefits:
Improved Heat Transfer: The "L" shape of the fins increases the surface area and enhances heat exchange efficiency.

Secure Attachment: The footed base of the fins provides a tight fit, ensuring the fins remain securely attached to the tube.

Versatility: Suitable for a wide range of applications due to the availability of various materials and customizable dimensions.

Durability: The secure attachment of the fins to the tube ensures long-term performance, even in demanding conditions.

Specifications:
Tube Diameter: Can vary based on application needs.
Fin Height and Thickness: Customizable to meet specific heat transfer requirements.
Fin Pitch: The spacing between fins can be adjusted according to the desired thermal performance.
Length: Manufactured to specified lengths based on the design of the heat exchanger.

Applications and Advantage:

The common application fields are:

1. Heat Exchangers: A179 Embedded Fin Tubes are widely used in heat exchangers to increase the heat transfer efficiency of the equipment. The embedded fins on the tube's surface allow for a higher surface area, which helps transfer heat more efficiently.

2. Air Cooled Heat Exchanger: The A179 Embedded Fin Tube is an ideal choice for air-cooled heat exchangers. These fin tubes have a large surface area that promotes efficient heat transfer, which can be critical in air-cooled heat exchangers where there is no secondary medium to carry away the heat.

3. Corrosion Resistance: A179 tube material is known for its good corrosion resistance. The embedded fins increase its resistance to corrosion and reduce erosion.

4. Economical: A179 tube material is economical, making it an ideal choice for various heat transfer applications. The fins embedded on the surface of the tube allow for a higher surface area, which improves the overall thermal performance, making it an economical and efficient option.

5. Compact Design: The embedded fins on the surface of the A179 Embed fin tubes allow for a compact design, making it an ideal choice where space is limited, and a high degree of thermal efficiency is required.

Specifications:

Grooved G type Finned Tubes are combined with two different materials.

Competitive Advantage:
High Mechanical Bonding:
G-type fins are embedded into the base tube, providing a strong mechanical bond that ensures good thermal contact and efficient heat transfer.

Durability:
The mechanical bond of the G-type fin offers enhanced resistance to thermal cycling and mechanical stress, increasing the longevity and reliability of the tube.

Improved Heat Transfer:
Similar to L-type fins, the G-type fins also increase the surface area, enhancing the overall heat transfer efficiency of the tube.

Resistance to Finned Section Damage:
The embedded design of G-type fins makes them less susceptible to damage from physical impacts or vibrations, making them suitable for rugged environments.

Corrosion Protection:
The G-type fins help protect the A179 base tube from corrosive environments, reducing the risk of corrosion and extending the tube's service life.

Thermal Expansion Accommodation:
The design of G-type fins allows for some degree of thermal expansion and contraction, which can be beneficial in applications with varying temperatures.

Maintenance Efficiency:
The robust construction of G-type fin tubes often results in lower maintenance requirements, reducing downtime and operational costs.

Versatility:
G-type fin tubes can be used in a variety of applications, such as in air-cooled heat exchangers, economizers, and boilers, due to their high efficiency and durability.

ASTM A179 Seamless Tube

Al1060 Seamless Tube

L Type Finned Pipe A179 Carbon Steel Fin tube Al Fin For Air Cooler Images