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Zhangjiagang HuaDong Boiler Co., Ltd.
Zhangjiagang HuaDong Boiler Co., Ltd.
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Steel Thermal Oil Boiler Header Manifolds / High Pressure Steam Header Parts

Zhangjiagang HuaDong Boiler Co., Ltd.
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Steel Thermal Oil Boiler Header Manifolds / High Pressure Steam Header Parts

Brand Name : HD BOILER
Model Number : Customization
Certification : ISO9001 , SGS , TUV , ASME , EN
Place of Origin : CHINA
MOQ : 1 Set / Sets 10tons
Price : Negotiable
Payment Terms : L/C, T/T, Western Union
Supply Ability : 800 Tons / Year
Delivery Time : 50 Days
Packaging Details : Iron Frame Package
Type : Natural Circulation/Once Through
Usage : Industry/Power Station
Weigh : 10~1000 tons
Pressure : High/Low Pressure
Structure : Fire/Water Tube
Dimension : Customization
HS Code : 3215960855
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SA213T11 ASTM certification manufacturer ASME Standard thermal oil boiler Header Mainfolds


Product Description


Headers form an important part of all types of boilers. Steam from the generating tubes is collected in headers which are therefore always under pressure. 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. 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.


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.


Details


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


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

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

Quality control



ASME 'S' & 'U' STAMP


Company Introduction


Established in 1985,Zhangjiagang Hua Dong Boiler Co.,Ltd.(trading as HD Boiler),produces power plant; industrial; waste heat; waste incineration; biomass; organic heat carrier and electric steam boilers. Coupled with a comprehensive range of heating surfaces, HD Boiler brings to the market a unique service including boiler design , fabrication, installation, maintenance and replacement of boiler pressure parts.


1. Fabrication area of 200,000 square meters

2. 150 Engineers

3. 600 Coded welders

4. 60 Licensed Inspectors(NDT Level-III instructors)

5. Class-A Licenses for Design and Manufacture Boiler

6. ISO 9001:2008 Quality System

7. ASME Certificate of Power Boilers

8. ASME 'S','U' and NB stamp authorization



Design and Manufacturing capacity


Two automatic coiler production lines

Hot bending to minimum bending radius 0.6D

Membrane wall tube bending , with horizontal and vertical panel bending machines

Panel fabrication for up to for 1000MW power plant boilers

Fabrication of CFB Boiler Cyclone Separators

Fabrication of Header to Chinese standards(GB), US standards (ASME), or EU standard (EN)

Broad range of heat treatment equipment including 10 furnaces, offering normalizing and tempering


Product Tags:

boiler header manifolds

      

headers and manifolds

      
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