Lord Fin Tube-Shoulder tension finned tube

What is shoulder tension finned tube?

"L" Foot finned tubes, also known as shoulder tension finned tubes, are a type of heat transfer equipment used in various applications such as heat exchangers, air coolers, and boilers.

These finned tubes consist of a base tube with integral fins attached along its outer surface. The fins are typically in the shape of an "L" and are tightly wound around the tube, creating a tight mechanical bond. The term "shoulder tension" refers to the mechanical interlocking between the fins and the tube surface, providing enhanced heat transfer and improved thermal efficiency.

The design of "L" Foot finned tubes increases the surface area of the tube, which enhances heat transfer by improving the contact between the tube and the surrounding fluid or air. This type of finned tube is commonly used in industries where efficient heat transfer is crucial, such as power plants, petrochemical plants, and HVAC systems.

1. Construction: "L" Foot finned tubes are typically manufactured by tightly winding fins around a base tube. The fins are in the shape of an "L," with one leg of the fin attached to the tubes outer surface. The other leg of the fin extends outward, increasing the surface area of the tube for improved heat transfer.

2. Fin Attachment: The fins are mechanically bonded to the tube surface through a process called shoulder tension. This involves applying pressure to the fins leg while wrapping it tightly around the tube. The tension creates a strong mechanical interlock, ensuring a secure bond between the fin and the tube.

3. Heat Transfer Efficiency: The primary purpose of using "L" Foot finned tubes is to enhance heat transfer. The extended surface area provided by the fins allows for greater contact with the surrounding fluid or air. This increased surface area improves the heat transfer coefficient, resulting in more efficient heat exchange.

4. Applications: "L" Foot finned tubes find applications in various industries and systems that require efficient heat transfer. They are commonly used in heat exchangers, air coolers, condensers, boilers, and other thermal equipment. Industries such as power generation, petrochemical, HVAC, refrigeration, and process industries often utilize these finned tubes.

5. Advantages: The use of "L" Foot finned tubes offers several advantages. They enhance heat transfer performance, leading to improved energy efficiency. The mechanical interlocking between the fins and the tube provides enhanced durability and resistance to mechanical stresses. Additionally, the compact design of the finned tubes allows for more effective use of space in heat transfer equipment.

6. Material Options: "L" Foot finned tubes can be manufactured using various materials, including carbon steel, stainless steel, copper, and aluminum. The material choice depends on the specific application requirements, such as temperature, pressure, and corrosion resistance.

Overall, "L" Foot finned tubes, or shoulder tension finned tubes, are designed to maximize heat transfer efficiency and are widely used in industries where effective heat exchange is essential.

Shoulder tension finned tube