Industrial SA210 Boiler Spiral Fin Tube With U Bends For Heat Recovery
Product Details
| Material Of Tube: | SA 210 GR.A1 | Material Of Fin: | CS |
|---|---|---|---|
| Product Name: | Boiler Spiral Fin Tube | Packing: | Steel Frame |
| Application: | Boiler System And Industrial System | Certificate: | ISO9001,ASME, EN, SGS |
| Highlight |
SA210 Spiral Fin Tube,Spiral Fin Tube with U Bends,SA210 Boiler Fin Tube |
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Product Description
GB Standard SA 210 GR.A1 Boiler Spiral Fin Tube with U Bends for Various Industrial Boilers Appllication
General introduction
Spiral finned tubes are widely used in heat recovery of boiler economizer, air preheater, and waste heat boiler, as well as heat exchange equipment in chemical industry, pressure vessel and other fields. The capacity of units used in boilers has also increased from small to large, and their applications are increasing day by day. At present, many professional manufacturers in China can produce high frequency resistance welding, brazing spiral finned tubes, and the production equipment and technology of finned tubes have been developed, designed and manufactured from importation, digestion and absorption to self-development. The quality has reached the requirements of advanced foreign standards.
Advantages of using finned tubes:
1. the heat transfer area is increased in the effective space to improve the heat transfer effect.
2. Reduce the occupancy space of heat transfer surface and reduce its volume, especially for fast-loading boilers.
3. Reduce the equipment cost and improve the safety of equipment.
4. Due to the decrease of water side pressure drop, the operation cost is reduced.
5. The stiffness of finned tubes are increased, and the seismic resistance of the tube is improved.
Manufacturing method
Spiral finned tubes can be manufactured by various ways. At present, there are several main manufacturing methods for finned tubes used in heat exchangers such as boilers and pressure vessels.
High frequency resistance welding spiral finned tube
High frequency resistance welding spiral finned tube is kind of high frequency current imported into the welded parts. By using the resistance heat generated by the current through the contact surface of the welded joints and adjacent areas, the welded contact surface can reach the plastic state of melting or semi-melting, then appropriate pressure is applied to the welded contact surface, to complete welding work of finned tubes.
Brazed spiral finned tube
Brazing spiral finned tube is a kind of metal filler with a melting point lower than that of the welded part, and then heating the brazing temperature. When the welded part is not melting, the solder melting well wets and brazes, and forms the brazing joint depending on expansion and dispersion of the contact point of the welded part, thus completing the welding of the spiral finned tube.
Integral spiral finned tube
Integral spiral finned tube is formed by extrusion and tie of thick-walled tube(billet tube) under the condition of medium frequency continuous heating.It is known as the latest method of manufacturing finned tube in domestic market. It is developed by a domestic company and the researched and developed integral finned tube as well as the self-manufactured integral finned tube manufacturine equipment have been applied for patents.
Quality Control
| 1 | Impact test and Strength calculation report with applied materials information. |
| 2 | 100%NDT(non-destructive inspection) report of steel plate, tube and electrode. |
| 3 | X-ray, γ-ray and liquid penetrant test inspection report (welding seam): to ensure the quality of the entire boiler. |
| 4 | Hydraulic test report: ensure the standard working pressure and safety. |
Company Introduction
Established in 1985,Zhangjiagang Hua Dong Boiler Co.,Ltd.(trading as HD Boiler),produces power plant; industrial; waste heat; waste incineration; biomass; organic heat carrier and electric steam boilers. Coupled with a comprehensive range of heating surfaces, HD Boiler brings to the market a unique service including boiler design , fabrication, installation, maintenance and replacement of boiler pressure parts.
Product Highlights
GB Standard SA 210 GR.A1 Boiler Spiral Fin Tube with U Bends for Various Industrial Boilers Appllication General introduction Spiral finned tubes are widely used in heat recovery of boiler economizer, air preheater, and waste heat boiler, as well as heat exchange equipment in chemical industry, ...
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