Embedded Finned Tube Product Description:
A G finned tube is a type of heat exchanger tube used in various industrial applications, including HVAC systems and process heating. It features a tube with helical fins, which increase the surface area for heat transfer between the tube and the surrounding fluid. The "G" designation typically refers to a specific fin design or profile, enhancing thermal performance and efficiency. These tubes are commonly used in applications requiring effective heat dissipation or transfer, such as in condensers, evaporators, and cooling systems.
Embedded Finned Tube Manufacturing Process:
1. Tube Preparation: Start with a base tube made from materials like steel, copper, or aluminum. The tube is cleaned and prepared for fin attachment.
2. Fin Formation: Fins are typically made from a thin metal sheet or strip. The "G" fin profile is designed to increase surface area and enhance heat transfer. This involves precision cutting and shaping the fin material into the desired profile.
3. Fin Attachment: The fins are attached to the base tube. Common methods include mechanical rolling, welding, or brazing. In mechanical rolling, the fins are wrapped around the tube using rollers, creating a tight bond. Welding or brazing involves melting or joining the fins to the tube at specific points.
4. Tube Shaping and Finalizing: The finned tube is then shaped and aligned to ensure it meets design specifications. This may involve additional machining or adjustments.
5. Testing and Quality Control: The finished tubes undergo rigorous testing to ensure they meet performance standards. This may include pressure testing, thermal testing, and visual inspections to check for defects or irregularities.
6. Finishing: Finally, the tubes are cleaned, coated, or treated as needed to protect against corrosion and improve durability.
Embedded Finned Tube Advantages：
1. Enhanced Heat Transfer: The helical fin design increases the surface area in contact with the fluid, improving heat transfer efficiency.
2. Compact Design: By maximizing the surface area within a smaller footprint, G finned tubes enable more compact heat exchanger designs, saving space.
3. Improved Thermal Performance: The finned configuration can provide better thermal performance compared to smooth tubes, making them effective in applications requiring rapid or high-efficiency heat exchange.
4. Increased Surface Area: The finned structure significantly expands the heat transfer surface area, which can lead to improved cooling or heating efficiency.
5. Versatility: G finned tubes are versatile and can be used in various applications, including HVAC systems, refrigeration, and industrial heat exchangers.
Embedded Finned Tube Properties:
1. Material: They are typically made from metals such as copper, aluminum, or stainless steel, which provide good thermal conductivity.
2. Fin Design: The fins are designed to increase the surface area of the tube, improving heat transfer. They can be straight, helical, or corrugated, depending on the application.
3. Tube Diameter: The diameter of the tube affects the flow characteristics and the overall heat transfer efficiency.
4. Fin Density: The number of fins per unit length can impact the heat transfer rate. More fins increase the surface area but may also increase pressure drop and potential fouling.
5. Heat Transfer Coefficient: The effectiveness of the finned tube in transferring heat is measured by the heat transfer coefficient, which depends on the fluid properties and flow conditions.
6. Thermal Conductivity: The material's thermal conductivity affects how efficiently heat is conducted from the fluid to the finned surface and then to the surrounding fluid.
7. Application: Common applications include air conditioners, radiators, and industrial heat exchangers where enhanced heat transfer is required.
Embedded finned tubes applications:
1. Heat Exchangers: In industrial processes, embedded finned tubes improve the efficiency of heat exchangers by increasing the surface area for heat transfer.
2. HVAC Systems: They are used in heating, ventilation, and air conditioning systems to enhance heat exchange between air and fluids.
3. Refrigeration Systems: They are employed in refrigeration and air conditioning systems to improve the efficiency of heat exchange processes.
4. Power Plants: They are used in power plant systems, such as in the cooling of steam and other fluids.
5. Oil and Gas Industry: In this sector, embedded finned tubes are used in various applications like heat recovery and thermal management.
Description
• Product Name: Embedded Finned Tube, G Type Embedded/ Grooved Fin Tube,L Type Embedded/Wrap Around Fin Tube,LL Type Embedded/Wrap Around Fin Tube,KL Type Embedded/Wrap Around Fin Tube,
• Base Pipe OD: 15.88-101.6mm
• Base Pipe wall Thk: 1.5 to 3mm
• Fin Height: 6.35-25.4mm
• Fin Thickness: 0.3 -1.0mm
• Number of Fins: 2~9 FPI
• Fin Pitch: 2.5mm-5mm
• End: Plain Ends, Beveled Ends,BST
Base Tube Material
• Carbon Steel： SA179, SA334, SA214, SA106B, SA-192,SA210 GRA1/C,10#, 20#,
• Stainless Steel：SA789, SA213, SA312, TP304, TP316L,TP316Ti
• Cooper：ASTM B111/ASME SB111:C12200,C68700,C44300,C71500,CuNi90/10, 70/10,70/20,70/30
• Titanium：Grade:B338 Gr2 B338 Gr7
Fin Material
• Aluminum：AA 1000 Series,AA 3000 Series,AA 6000 Series
• Cooper：SB111 C12200
Applied Temperature:380℃-420℃
Inspections:
• Chemical composition
• Mechanical Properties
• Hydrostatic Test
• Boroscopic Inspection
• Eddy Current Test
• Tensile Test
If you have any Inquiry, please don't hesitate to contact us immediately,
Email:info@fintuberadiator.com
Specification
| Type | Description | Base tube | Base tube | Fin specification | |||||
| O.D. (mm) | O.D. (inch) | Fin pitch(mm) | Fin pitch(FPI) | Fin height(mm) | Fin height(inch) | Fin thick(mm) | Fin thick(inch) | ||
| Embedded | G Type Embedded/ Grooved Fin Tube | 14-51 | 0.5-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 |
| L Type Embedded/Wrap Around Fin Tube | 10-51 | 0.4-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 | |
| LL Type Embedded/Wrap Around Fin Tube | 10-51 | 0.4-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 | |
| KL Type Embedded/Wrap Around Fin Tube | 10-51 | 0.4-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 | |
| Extruded | Carbon base tube | 15.88--50.8 | 0.625--2 | 1.8-8 | 3--14 FPI | 5--16 | 0.2--0.63 | 0.3-1.2 | 0.012--0.047 |
| Stainless base tube | 15.88--50.8 | 0.625--2 | 1.8-8 | 3--14 FPI | 5--16 | 0.2--0.63 | 0.3-1.2 | 0.012--0.047 | |
| Copper base tube | 15.88--50.8 | 0.625--2 | 1.8-8 | 3--14 FPI | 5--16 | 0.2--0.63 | 0.3-1.2 | 0.012--0.047 | |
| Low Fin Tubes ( Integral Fin Tube ) | Carbon Steel, stainless steel, titanium, copper, brass, nickel alloy. | 6.35--38 | 0.25--1.5 | 2.8--12.7 | 2--9FPI | 0.38--1.27 | 0.015 --0.050 | ||
| High Frequency Welding Fin tube | Solid Helical Fin Tubes | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | 5--30 | 0.196--11.811 | 1--3 | 0.0393--0.1181 |
| Serrated Helical Fin Tube | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | 5--30 | 0.196--11.811 | 1--3 | 0.0393--0.1181 | |
| H/HH Type Rectangular Fin tube | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | <219 | <8 | 1--3 | 0.0393--0.1181 | |
| Studded Fin Tube | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | 5--30 | 0.196--11.811 | φ5-20 | ||
| Elliptical/Oval Fin tube | Hot dipped galvanized | 36*14 | 2.5--3 | 0.0984--0.118 | 55*26 | 0.25 | 0.0098 | ||
| Laser Fin tube | Copper,Brass,nickel | 10--45 | 0.393--1.771 | 2--10 | 0.0787-0.3937 | 5--23 | 0.196--0.905 | 0.3-1.2 | 0.011--0.047 |
