Zhangjiagang HuaDong Boiler Co., Ltd.
| Payment Terms | Western Union |
| Supply Ability | 500 Tons Per Month |
| Delivery Time | 30 - 60 Days |
| Packaging Details | Iron Frame Packing |
| Standard | ASME Standard Or GB |
| Material | ND Steel / Carbon Steel / Alloy Steel Etc |
| Bare Tube | Cold Finished |
| Type | Boiler part |
| Specification | Customized |
| Surface Treatment | Painted |
| Brand Name | HD BOILER |
| Model Number | H TYPE |
| Certification | ISO9001 , SGS , TUV , ASME , EN |
| Place of Origin | China |
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Product Specification
| Payment Terms | Western Union | Supply Ability | 500 Tons Per Month |
| Delivery Time | 30 - 60 Days | Packaging Details | Iron Frame Packing |
| Standard | ASME Standard Or GB | Material | ND Steel / Carbon Steel / Alloy Steel Etc |
| Bare Tube | Cold Finished | Type | Boiler part |
| Specification | Customized | Surface Treatment | Painted |
| Brand Name | HD BOILER | Model Number | H TYPE |
| Certification | ISO9001 , SGS , TUV , ASME , EN | Place of Origin | China |
| High Light | SA179 Boiler Fin Tube ，ND Steel Boiler Finned Tube ，SA179 H type finned tube | ||
High Heating Transfer Efficiency Boiler Fin Tube With Bending SA179
Fin Tube Description
1.Finned Tube Heat Exchangers consist of a shell and finned tubes assembly.
2.Fins are used to increase the effective surface area of heat exchanger tubing.
3.Finned tubes are used when the heat transfer coefficient on the outside of the tubes is appreciably lower than that on the inside;as in heat transfer from a liquid to a gas,vapor to a gas ,such as steam to air heat exchanger, thermic fluid to air heat exchanger, when an extended surface is needed on only one fluid side or when the operating pressure needs to be contained on one fluid side.
Description
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. 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.
H-type tube, has a high rate of fusion welds and weld tensile strength. There is little contact resistance, and heat transfer performance and scalability are additional advantages. The H-fin tube is assembled with the H economizer, which has high efficiency, low resistance, and light weight. Compared to the traditional fin tube or spiral tube the H-fin tube can greatly expand the heating surface. When the extent of the effect of heat transfer is the same. The H-fin tube economizer takes up less space. In addition to the H economizer, H superheater, H air heater, and many other products. The H-fin tube has been included in the “Chinese high-tech product catalog”
Technical parameter
| Medium | air, flue gas, thermal oil, water, brine, refrigerant, etc. |
| Temperature | standard heat exchanger to 560 ° C by special materials can be higher |
| Pipe materials | carbon steel, stainless steel, alloy or special materials |
| Ribs materials | carbon steel, stainless steel, non-ferrous metal, alloy or special materials |
| Thermal insulation &Surface treatment | according to customers specification |
Advantages
1.Anti - corrosion
2.Anti-wear
3.Lower contact resistance
4.High Stability
5.Ability to prevent ash accumulation
Features
1. The equipment body can be designed into many modules to ensure the long term and stable running;
2. Compact structure which can enlarge the heat exchanging area in order to add the heat transfer area and less leakage
3. Improve the heat transfer efficiency
4. Structure arrangement: In line or staggered arrangement
Details
1.Our products can be modified according to our customers' needs and the situation.
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 Details
Business Type:
Manufacturer,Trading Company
Year Established:
1985
Total Annual:
100,000,000-120,000,000
Employee Number:
1000~1100
Ecer Certification：
Verified Supplier
Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. ... Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. ...
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