Pressure vessel

Finned Tube

The Gelan Finned Tube is the best pick. It is secure and powerful. A well-made tube is a Gelan tube. Under pressure, they perform well. They disperse heat relatively well. This confirms that everything goes according to plan. These tubes do not slow down the flow rate. Nothing gets out of control when done this way. A Gelan tube will break under very little strain. For this reason, they thrive in environments that are constantly changing. They endure for a long time and don’t leak. Usually, you won’t be correcting them. that losing gas or water is not an issue. Gelan is now the best option.

  • Application industries: petroleum, chemical, pharmaceutical, food processing

  • Certificate: ISO, ASME, CE

Structure and Work Principle

A finned tube is like a special pipe with little metal “fins” on the outside. These fins look like fish fins or tiny wings. They help move heat better. The main tube can be made from solid metals like steel. The fins are put around the tube or stuck right on it. The way it works is easy. Hot stuff moves inside the tube. The heat goes through the tube wall and then out to the fins. The fins make it easier for the heat to move away because they give it more space to spread out. This helps the tube cool down faster. Finned tubes are used in things like heaters and coolers to make them work better.

Key Specifications of Finned Tubes:

  1. Material:

    • Common materials include copper, aluminum, stainless steel, and carbon steel.
    • The choice of material depends on the operating environment, corrosion resistance requirements, and heat transfer needs.
  2. Tube Diameter:

    • The standard outer diameters range from 12.7 mm to 38 mm (0.5 to 1.5 inches).
    • Tube thickness may vary based on the required strength and pressure specifications.
  3. Fin Material:

    • Fins are typically made from materials like aluminum, copper, or steel to enhance conductivity.
    • The fin material may differ from the tube material depending on thermal performance requirements and corrosion resistance.
  4. Fin Density:

    • Measured in fins per inch (FPI), ranging from 4 FPI to 12 FPI.
    • Higher FPI indicates a more compact fin structure, enhancing heat transfer but potentially increasing airflow resistance.
  5. Fin Height and Thickness:

    • Fin height typically ranges from 6 mm to 16 mm, depending on design requirements.
    • Fin thickness varies with the material, usually ranging from 0.2 mm to 1 mm.
  6. Fin Type:

    • Types include plain, serrated, helical, or wavy, chosen based on airflow characteristics and heat transfer needs.
    • Different fin designs optimize heat dissipation and reduce fouling.
  7. Operating Temperature and Pressure:

    • Most finned tubes operate in temperatures from -100°C to +600°C and pressures up to 100 bar.
    • Materials and thickness are chosen based on the specific temperature and pressure ratings required.
  8. Tube Length:

    • Ranges from a few inches up to several meters, depending on application needs.
    • Longer tubes are used in extensive heat exchanger setups like air coolers, economizers, and HVAC systems.
  9. Corrosion Resistance:

    • For corrosive environments, corrosion-resistant coatings or special materials (like stainless steel or titanium) are used.
  10. Applications:

  • Widely used in air-cooled heat exchangers, HVAC systems, economizers, petrochemical plants, power generation, refrigeration, and process industries.

These specifications vary based on application requirements, ensuring optimal performance and longevity in the intended operational environment.

Features

Finned tubes are commonly used in heat exchangers to improve heat transfer efficiency. Here are some of the main features of finned tubes:

  1. Increased Surface Area: The fins on the tube increase the surface area for heat exchange, allowing more heat to transfer between the fluid inside the tube and the environment outside.

  2. Enhanced Heat Transfer: Fins improve heat transfer by allowing more contact between the tube and surrounding air or fluid, making it more effective for applications requiring high efficiency.

  3. Material Versatility: Finned tubes can be made from various materials, such as copper, aluminum, and stainless steel, depending on the application and thermal conductivity needed.

  4. Compact Design: Finned tubes allow for a more compact design, saving space compared to traditional tubes with similar heat transfer capacities.

  5. Improved Efficiency in Gas-Liquid Exchange: They are particularly useful in applications where one fluid is a gas, as gases have lower heat transfer coefficients than liquids. The fins help bridge this difference.

  6. Customizable Fin Shapes and Sizes: The fin shape, size, and density can be customized according to the heat transfer requirements, such as straight, helical, or serrated fins.

  7. Corrosion Resistance: With coatings or specific materials, finned tubes can resist corrosion, extending their life in harsh environments like seawater or chemical processing plants.

  8. Applications in Various Industries: Finned tubes are used in air conditioning, refrigeration, chemical processing, power generation, and other industries that require efficient heat exchangers.

These features make finned tubes essential for applications needing high-efficiency heat transfer in compact spaces.

Appications

Finned Tubes are sometimes used in heat exchange. They promote a faster transfer of heat. Now that the issue is resolved, it operates more smoothly. Few fins are present in fin tubes. More heat can pass through these fins because of their larger surface area. When working with gas or oil, these tubes aid in accelerating heating and cooling. Picking the right tools for the job might be aided by knowing how to use these.

Finned Tubes Types

Extruded Finned Tubes

Extruded finned tubes are made by putting a metal cover around a tube. Then, the cover is stretched to fit really tight. This makes the fin stick very well to the tube. They are solid and do not rust easily. These tubes are suitable for places like power plants where things need to be super tough.

Welded Finned Tubes

Welded finned tubes have fins that are stuck to the tube by welding. Welding means melting the metals together to make them stay. The fins go around the tube in a spiral. They are solid and can handle lots of heat and pressure. You find these tubes in big boilers and power stations.

Embedded Finned Tubes

Embedded finned tubes have a groove cut into the tube. The fin is pushed into this groove to make it stay. This makes the tube and fin fit really well. It works great when things get hot and calms down a lot without breaking. These tubes help move heat well.

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Product Advantages of Gelan Finned Tube

ISO and ASME Compliance: Manufactured based on ISO and ASME standards so that the CE and FDA are highly obtained in order to achieve excellent quality of manufacture up to 80% without having a high failure rate, hence little or no maintenance cost.

 

Precision Engineering: Gelan has 415 international-grade plate and gasket molds and 31 CNC precision machines which are able to produce high quantities in both standard and custom applications. The gaskets are very tough, withstanding up to 69 disassemblies without leakage, far above the national requirements.

 

Moves Heat Well: Finned tubes help move heat by having more surface to touch the air or water. More surface allows the heat to move faster. This makes sure the system does not get too hot. The fins make sure the heat moves evenly so there are no scorching spots.

 

Small Size: Finned tubes take up little space but still work well. They are suitable for places where there is little room, like in small machines. Even though they are small, they can handle a lot of heat, which makes them very useful.

 

Strong and Long-Lasting: Finned tubes are made from solid materials that can handle high heat and do not rust. This makes them suitable for hard places. They last a long time and do not need much fixing. This makes them easy to take care of and saves money.

 

Saves Energy: The fins help move heat better, so less energy is needed. This saves power and money. Using less power is also better for the earth. The intelligent design helps keep costs low and is suitable for both homes and businesses.


Used in Many Places: Finned tubes are used in many places, like heaters, power stations, and factories. They are suitable for many different jobs. They can help heat, cool, or make power. Because they work well in many ways, they are trusted and used a lot.

Appications

Finned Tubes are sometimes used in heat exchange. They promote a faster transfer of heat. Now that the issue is resolved, it operates more smoothly. Few fins are present in fin tubes. More heat can pass through these fins because of their larger surface area. When working with gas or oil, these tubes aid in accelerating heating and cooling. Picking the right tools for the job might be aided by knowing how to use these.

FAQ

A finned tube is a metal tube with small fins, like tiny wings. The fins help move heat faster. The tube has liquid inside, and the fins help cool or warm the air around it. Finned tubes are used in things like air conditioners and heaters to make them work better.

Finned tubes help heat move faster. The fins give the tube more space to touch the air. More space means heat can move quicker. This makes it easier for heat to go from the liquid inside to the air outside. It makes the tube work much better without being more extensive.

Finned tubes are made from metals like copper, aluminum, or steel. Copper and aluminum are good because they move heat very well. Steel is used if the tube needs to be strong and not get rusty. Sometimes, the tubes and fins are made from different metals to save money.

Finned tubes are used in many places. They are in air conditioners and heaters to help make homes cooler or warmer. They are in power plants to help make energy. Factories use them to help control how hot or cold things are. They are also used in coolers, freezers, and even in cars to help keep engines cool.

To choose a finned tube, think about how much heat you need to move. This helps you decide how big the fins should be. You also need to think about how hot or cold the tube will get. This enables you to pick a suitable metal. If the tube needs to be strong and not get rusty, steel or copper is better. If you do not have much space, you need a smaller tube with good fins.

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