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High Efficiency Boiler Headers And Manifolds Coal Fired ASME Standard

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Brand Name :	HDB
Model Number :	Boiler Manifold Header
Certification :	ISO9001 , SGS , TUV , ASME , EN
Price :	Negotiable
Payment Terms :	L/C, T/T
Supply Ability :	800tons/month
Delivery Time :	30 working days

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High Efficiency Boiler Headers And Manifolds Coal Fired ASME Standard

High Efficiency Boiler Headers And Manifolds , Coal Fired ASME Standard

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.

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.

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

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 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.

Classification

Material	Carbon steel,Alloy steel,Stainless steel.
Length	According to costumes requirements.
Temperature Range	300℃~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.

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High Efficiency Boiler Headers And Manifolds Coal Fired ASME Standard

High Efficiency Boiler Headers And Manifolds Coal Fired ASME Standard

High Efficiency Boiler Headers And Manifolds Coal Fired ASME Standard

boiler header manifolds

headers and manifolds

High Efficiency Boiler Headers And Manifolds Coal Fired ASME Standard

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