Customization: | Available |
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Type: | Seamless |
Technique: | Cold Drawn |
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These finned tubes have fins made of wire instead of strips. Continuous loops of wire are formed and are continuously soldered to the circumference of the tube to ensure 100% contact. Loops per turn and turns per foot can be altered as per surface area requirements. Due to continuous soldering of wire loops these finned tubes offer a very high heat transfer efficiency with less air pressure drop. Used in air cooled Oil Coolers in thermo Pac units and also used for Air Heating applications.
We also supply bare tubes with Flexible turbulator / inserts inside which are continuously soldered with the inside surface of the tube. These tubes can then be used for further finning by the Customers. This gives maximum turbulation with minimum pressure drop and has proved very effective for charge air coolers and Oil coolers. And gives excellent turbulation but has a higher pressure drop than the flexible type turbulator making it ideal for cooling oils which has low viscosity when hot and flow needs to be slower.
Wire wound finned tubes are commonly used in applications with metal temperatures up to 180 degrees C.
Process | Soldering Furnace |
Tube/Pipe Size | 8MM to 50MM outside diameter |
Fin Height | 5 to 25 MM |
Wire Thickness | 0.5 to 1 MM |
Fin Per Inch | 2 FPIto 8 FPI |
Loops per Turn | 40 - 150 Nos. per turn. |
Tube Materials | Carbon Steel / Stainless Steel / Copper / Cupro-Nickel |
Wire Materials | GI Wire / Stainless Steel Wire / Copper Wire |
Tube Length | No practical limit |
Operation | Sami automatic |
Carbon steel fins are available on carbon, stainless steel, or copper tube. Please call for a specific size if not listed
Type | Description | Base tube | Fin specification (mm) | ||
O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
Embedded | G-type fin tueb | 16-63 | 2.1-5 | <17 | ~0.4 |
Extruded | Single metal combined metal | 8-51 | 1.6-10 | <17 | 0.2-0.4 |
Low fin tube t-type fin tube | 10-38 | 0.6-2 | <1.6 | ~0.3 | |
Bamboo tube corrugated tube | 16-51 | 8-30 | <2.5 | / | |
Wound | l/kl/ll type fin tube | 16-63 | 2.1-5 | <17 | ~0.4 |
String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
U-type | U-type tube | 16-38 | / | / | / |
Welding | HF-welding fin tube | 16-219 | 3-25 | 5-30 | 0.8-3 |
H/HH type fin tube | 25-63 | 8-30 | <200 | 1.5-3.5 | |
Studed fin tube | 25-219 | 8-30 | 5-35 | φ5-20 |
According to user needs, we can produce all kinds of steel strip winding finned tube and steel aluminum composite finned tube.
Carbon steel fins are available on carbon, stainless steel, or copper tube. Please call for a specific size if not listed
We offer you a broad portfolio of materials and can expand our offering at any time to meet your specific needs regarding thermal conductivity, mechanical properties, or corrosion resistance.