Zhangjiagang HuaDong Boiler Co., Ltd.
| Payment Terms | L/C, T/T |
| Keyword | Boiler Manifold Header |
| Material | 20G, SA-106B, SA-106C |
| OEM | Yes |
| Product Name | Steam Boiler Header Piping |
| Packing | Seaworthy Packing |
| Application | Boiler System and Industrial System |
| Brand Name | HDB |
| Model Number | Boiler Manifold Header |
| Certification | ISO9001 , SGS , TUV , ASME , EN |
| Place of Origin | Jiangsu , China |
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Product Specification
| Payment Terms | L/C, T/T | Keyword | Boiler Manifold Header |
| Material | 20G, SA-106B, SA-106C | OEM | Yes |
| Product Name | Steam Boiler Header Piping | Packing | Seaworthy Packing |
| Application | Boiler System and Industrial System | Brand Name | HDB |
| Model Number | Boiler Manifold Header | Certification | ISO9001 , SGS , TUV , ASME , EN |
| Place of Origin | Jiangsu , China | ||
| High Light | header in boiler ， headers and manifolds | ||
Boilers are made of boilers that hold water to produce steam and boilers that generate heat by combustion. In order to transfer the heat energy from combustion to water in the boilers, there must be enough heat transfer area. In order to expand the heat transfer area, boilers are developed into tube boiler to increase the heat transfer area.
The water in these bundles must continuously circulate and absorb heat energy and separate steam to the upper part of the box(tube), and the water flows into the lower part of the box(tube), and distribute to each bundle to continue to absorb heat in the furnace. We call the upper and lower assembly boxes(tubes) boiler headers.
Details
The pressures and temperatures that headers have to withstand depend on the component to which they are connected. A header connected to an economizer or to water wall panels is subject to less severe requirements on the material than a header connected to superheaters or reheaters.
Depending on the temperature and pressure of headers, Vallourec supplies tubes in carbon steel to high-alloy ferritic steels such as T/P91 or T/P92, with sizes ranging from 88.9 mm to 406.4 mm.
Types
According to its location, there are upper header and lower header or inlet header and outlet header. According to the types of bundles collected, they can be divided into water wall headers, super-heater headers, economizer headers and so on.
Functions
Header is a pipe fittings for mixing working substances of boilers and ensuring uniform heating of working substances. Usually the furnace wall of industrial boilers is composed of rows of tubes(water-cooled walls), but the size of boilers is huge, and the structure is complex. It can not guarantee that the working substances in all tubes absorb the same heat. There are many differences in heat absorption in different parts. Installing headers can let the working substance in each tube converge here, and distribute to the next level of each pipe so as to reduce the thermal deviation so that the heat absorption, flow of the working fluid and cooling and thermal efficiency of the boiler are optimized and improved; in addition, the size, number and layout of the pipes in the upper, middle and lower parts of the boiler are different. The header is responsible for connecting each section to ensure smooth flow of working substances.
Features
The pressures and temperatures that headers have to withstand depend on the component to which they are connected. A header connected to an economizer or to water wall panels is subject to less severe requirements on the material than a header connected to superheaters or reheaters.
Depending on the temperature and pressure of headers, Vallourec supplies tubes in carbon steel to high-alloy ferritic steels such as T/P91 or T/P92, with sizes ranging from 88.9 mm to 406.4 mm.
Classification
| Material | Carbon steel,Alloy steel,Stainless steel. |
| Length | According to costumes requirements. |
| Temperature Range | 300℃~1500℃ |
| Diameter(OD) | 76mm~914mm |
Factory Workshop
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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