Zhangjiagang HuaDong Boiler Co., Ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 500ton/month |
| Delivery Time | 30 working days |
| Packaging Details | Wooden Case |
| Condition | New |
| Dimension | Depends |
| Type | Ultra Super Critical |
| Material | 15CrMoG / 12Cr1MoVG |
| OEM | Yes |
| Color | Red / Blue / White |
| 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 | Supply Ability | 500ton/month |
| Delivery Time | 30 working days | Packaging Details | Wooden Case |
| Condition | New | Dimension | Depends |
| Type | Ultra Super Critical | Material | 15CrMoG / 12Cr1MoVG |
| OEM | Yes | Color | Red / Blue / White |
| Brand Name | HDB | Model Number | Boiler Manifold Header |
| Certification | ISO9001 , SGS , TUV , ASME , EN | Place of Origin | Jiangsu , China |
| High Light | Large Diameter Boiler Manifold Headers ，Red Painting Boiler Manifold Headers ，OEM Boiler Manifold Headers | ||
Headers collect and distribute steam or water from or to a series of smaller pipes or conduits. They are made of carbon or ferritic steel, generally of the same grade as the piping systems. Unlike piping systems which are usually butt welded and bent, headers are straight.
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.
The steam boiler pressure part header with large diameter longitudinal welded pipe have water wall header, superheater header, economizer header and so on, it acts as collection, mixture, re-distributing working medium, as the structure, it can be classified as the end cover type( end enclosure) and necking down type.
Technical parameters of customer design boiler pressure parts header for CFB boiler
| 1 | Headers form an important part of all types of boilers. |
| 2 | Steam from the generating tubes is collected in headers which are therefore always under pressure. |
| 3 | This pressure may vary from 300 psi to 2000 psi. Since headers are always under pressure, the utmost care is taken by us while fabricating them. |
| 4 | Depending on the generating capacity of the boiler the header sizes fabricated by us vary from 100 mm to 600 mm NB. The stubs of various sizes are very carefully welded to the main body of the header to provide the desired openings from the header. |
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.
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
| Diameter(OD) | ¢76mm~¢914mm |
| Diameter(OD) | 23000mm |
| Temperature(℃) | 300~1500 |
Steam distribution headers are fabricated out of carbon steel or alloy steel seamless tubes. Customized or tailor made items are offered. Headers, after fabrication, are stress relieved to make the Steam distribution headers free from stresses. They are big pipe headers that transfer water from the downcomers to the risers through a combustion zone where the water gets partially heated to steam from the heat of fuel combustion.
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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