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Power Plant Boiler Manifold Headers ASME standard Boiler Parts

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Brand Name :	HDB
Model Number :	Boiler Manifold Header
Certification :	ISO9001 , SGS , TUV , ASME , EN
Payment Terms :	L/C, T/T
Price :	Negotiable
Supply Ability :	500 tons/month
Delivery Time :	30 working days

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Power Plant Boiler Manifold Headers ASME standard Boiler Parts

Power Plant Boiler Manifold Headers ASME standard Boiler Parts

Product Description of Manifold Headers

In manufacturing, the key of end cover hinder is welding. Since by manual arc welding, the weld joint is single-side welding without quality guarantee at the ends. In addition, due to large welding workload, frequent return for repair and long working period, it became the throat process of the whole hinder production.

When making hinders of the style, we adopt advanced production technique, complete large equipment and mature technology, especially automatic submerged arc welding between hinders and end covers. Such welding methods have high manufacturing efficiency, good quality, beautiful welding shape, safety, reliability, etc.

Material	Carbon steel,Alloy steel,Stainless steel.
Length	According to costumes requirements.
Temperature Range	300℃~1500℃
Diameter(OD)	76mm~914mm

Details of Manifold Headers

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 of Manifold Headers

1. Strength calculation report with applied materials information.
2. 100%NDT(non-destructive inspection) report of steel plate, tube and welding rod.
3. 100%X-ray inspection report (welding seam): to ensure the quality of the entire boiler.
4. Hydraulic test report: ensure the standard working pressure and safety.

5.Excellent in welding quality, highly automatic, safe and reliable.

Classification of Manifold Headers

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.

1	In manufacturing, the key of end cover hinder is welding.
2	Since by manual arc welding, the weld joint is single-side welding without quality guarantee at the ends.
3	In addition, due to large welding workload, frequent return for repair and long working period, it became the throat process of the whole hinder production.
4	When making hinders of the style, we adopt advanced production technique, complete large equipment and mature technology, especially automatic submerged arc welding between hinders and end covers.

Materials

1. Carbon steel:20G,SA-106B,SA-106C,etc.

2. Low-alloy thermal resistant steel:15CrMoG,12Cr1MoVG,SA-335P12,SA335-P22,etc.

3. Middle-alloy thermal resistant steel:SA-335P91,etc.

4. Special material(ultra-supercritical):SA-335P122,SA-335P92,etc.

The boiler headers have water wall header,superheater header,economizer header and so on. It acts action of gathering, mixing and redistribution in boiler systems. In structure, they include end cover hinders or necking hinders.

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Power Plant Boiler Manifold Headers ASME standard Boiler Parts

Power Plant Boiler Manifold Headers ASME standard Boiler Parts

Power Plant Boiler Manifold Headers ASME standard Boiler Parts

header in boiler

headers and manifolds

Power Plant Boiler Manifold Headers ASME standard Boiler Parts

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