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Zhangjiagang HuaDong Boiler Co., Ltd.
Zhangjiagang HuaDong Boiler Co., Ltd.
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Energy Saving Boiler Headers And Manifolds , Coal Fired Heat Exchanger ASME Standard

Zhangjiagang HuaDong Boiler Co., Ltd.
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Zhangjiagang HuaDong Boiler Co., Ltd.
Province/State: Jiangsu
Country/Region: China
Tel: 86-512-58666196
Contact Person:
Miss Sandy Chen

Energy Saving Boiler Headers And Manifolds , Coal Fired Heat Exchanger ASME Standard

Brand Name : HDB
Model Number : Boiler Manifold Header
Certification : ISO9001 , SGS , TUV , ASME , EN
Place of Origin : Jiangsu , China
MOQ : 1 Set
Payment Terms : L/C, T/T
Condition : New
Working Temperature : 445 Degree
Type : Ultra Super Critical
Material : 15CrMoG / 12Cr1MoVG
OEM : Yes
Color : Customized
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Product Description
The headers of boilers include water-cooling hinders of boilers proper, economizer hinders, superheater hinders, etc. They function for gathering, mixing and redistribution in boiler systems. In structure, they include end cover hinders or necking hinders.
1Headers form an important part of all types of boilers.
2Steam from the generating tubes is collected in headers which are therefore always under pressure.
3This 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.
4Depending 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


1.The necking hinders of the Company are made by hot press and retracting of seamless steel pipes at special hinder necking machine.


2.In this way, the hinders will have thicker walls and cleaner surface. The necking cover will form membrane stress rather than bending stress with desired stress performance under the effect of inner pressure.


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

MaterialCarbon steel,Alloy steel,Stainless steel.
LengthAccording to costumes requirements.
Temperature Range300℃~1500℃
Diameter(OD)76mm~914mm

Application

CFB distributing economizer header with high welding technique 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.


Factory Workshop



Product Tags:

boiler header manifolds

      

headers and manifolds

      
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Energy Saving Boiler Headers And Manifolds , Coal Fired Heat Exchanger ASME Standard Images

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