Zhangjiagang Dehai Boiler Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 Tons / Month |
| Delivery Time | 50 Days |
| Packaging Details | Seaworthy packing |
| Structure | Water Tube |
| Keywords | Boiler header |
| Output | Hot Water |
| Type | Natural Circulation |
| Brand Name | Dehai Boiler |
| Model Number | Boiler Header |
| Certification | ISO9001/SGS/TUV/ASME/EN |
| Place of Origin | Jiangsu, China (Mainland) |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 500 Tons / Month |
| Delivery Time | 50 Days | Packaging Details | Seaworthy packing |
| Structure | Water Tube | Keywords | Boiler header |
| Output | Hot Water | Type | Natural Circulation |
| Brand Name | Dehai Boiler | Model Number | Boiler Header |
| Certification | ISO9001/SGS/TUV/ASME/EN | Place of Origin | Jiangsu, China (Mainland) |
| High Light | low loss header ，copper manifold | ||
Power Plant Boiler Manifold Header Brief Introduction
1. The pressures and temperatures that headers have to withstand depend on the component to which they are connected.
2. 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.
3. 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.
4. Technical parameters of customer design boiler pressure parts header for CFB boiler
Features
1.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.
2. 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 headers
3. Bevelling and weld preparation of stubs duly tack-welded to the main body of the header are first shown to Chief Inspector of Boilers for his approval and once again the stubs fully welded with main body are shown to Chief Inspector of Boilers under hydraulic pressure, varying from 1000 to 3000 psi as required by the specifications.
4. The headers are stamped by Chief Inspector of Boilers before they leave our manufacturing plant. We also weld skubolets and weldolets in place of stubs.
Specification
| Diameter(OD) | ¢76mm~¢914mm |
| Length(Max) | 23000mm |
| Temperature(℃) | 300~1500 |
| Product Name | Membrane Water Wall Header for boiler |
| Applied Area | boiler membrane water wall |
| Body Material | - Carbon Steel : 20#, 20G, A192, A-1 - Alloy Steel : 15CrMoG, 12Cr1MoVG, T11, T22 |
| Nozzle Tube Material | As per design |
| Standard | China GB, ASME |
| Manufacturer Grade | China A Grade, ABS Certificated, TUV Certificated |
| Working Temperature | depends on material |
| Working Pressure | 1.6 MPa ~ 15 MPa |
| Body Thickness | As per design |
| Body Diameter | As per design |
| Body Length | As per design |
| Welding | SMAW, SAW, GTAW (TIG) |
| Welding NDT | - Body : 100% RT or 100% UT - Nozzle tube > Φ108 : > 20% MT, 100% UT - Nozzle tube <= Φ108 : > 20% MT |
Driling
Beveling
Material Grade
100% Liquid Penetrant Test
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1998
Total Annual:
30,000,000.00-50,000,000.00
Employee Number:
300~500
Ecer Certification：
Active Member
Dehai Boiler is a manufacturer of A-class boiler(Power station boiler,industrial boiler,HRSG,waste-to-energy boiler,biomass boiler) and correlated A-class pressure parts intergrating the design,fabrication,installation,repair and mainteance. Dehai has ISO9001:2008 certificate is... Dehai Boiler is a manufacturer of A-class boiler(Power station boiler,industrial boiler,HRSG,waste-to-energy boiler,biomass boiler) and correlated A-class pressure parts intergrating the design,fabrication,installation,repair and mainteance. Dehai has ISO9001:2008 certificate is...
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