Zhangjiagang Dehai Boiler Co., Ltd
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High Frequency Welding Fin Tube u tube heat exchanger spiral fin tube
High Frequency Welding Fin Tube Detail
1. In order to improve the heat exchange efficiency and extend surface heat transfer, H-type finned tubes have been widely used in boilers and waste heat recovery in recent years.
2. H-type finned tubes are derived largely from rectangle finned tubes. Because of their unique groove structure on the fin surface, H-type finned tubes have excellent anti-wear and anti-fouling performance.
Structure
1. Our products can be modified according to our customers' needs and the situation.we design and manufacture safe,reliable and efficient H-fin tubes.
2. DEHAI BOILER has also completed stand-alone product quality assurance systems.Production of H-fin tubes are with high heat transfer efficiency, they have flue gas resistance and are designed for a small space.
1. H-type finned tube heat exchanger elements maintain a high capacity for heat transfer, possess superior self-cleaning properties and retain the ability to effect flue gas waste heat recovery in boiler renovations.
2. Convective heat transfer coefficient is proportional to fin pitch, but inversely proportional to fin height and fin width. Integrated heat transfer capacity is related to fin efficiency, convective heat transfer coefficient and finned ratio. Pressure drop increases with the increase of fin height and fin width.
Technical Parameters
| PRODUCT | TYPE | TUBE MATERIAL | FIN MATERIAL | TUBE SIZE | FIN SIZE |
| Heat Exchanger Finned Tube | High Frequency Welded Finned Tube | A179 Carbon Steel Tube | Carbon Steel Tube | 12.70~160 | 1.5~7FPI |
| Stainless Steel Tube | Stainless Steel Tube | 0.8~3.2mm. Thickness | |||
| Alloy Steel Material | Alloy Steel Material | ||||
| Oval Finned Tube | Carbon Steel Tube | Carbon Steel Tube | All Size Available | 5~15FPI | |
| Stainless Steel Tube | Stainless Steel Tube | ||||
| Alloy Steel Material | Alloy Steel Material | ||||
| Copper & Copper Alloy Tube | Copper & Copper Alloy Tube |
| Technical parameters | The high degree of fin 0-16mm(or outside diameter of fin φ25-φ75); Pitch of fins 2.0-5.0mm; Length of finning tube 0.5~ 14m. |
| Single metal rolling finning tube | Pure aluminum 1060 or aluminum alloy 6063,6061. Outside diameter Shall be less than 40mm |
| Double metal rolling finning tube | Tube-based protection from the outer layer of aluminum tubes, corrosion-resistant,Tube-based can be made of carbon steel pipe,in addition to,stainless steel tube and copper tube can also be used, as well as titanium alloy tube. |
| Package | The aluminum finned tubes are well packed in plastic film in the inner and steel frame at the outerside. |
