Reheat System Boiler Reheater Integration 3.8MPa Reheater Panel Assembly
Product Details
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Product Description
Reheater Header & Panel Assembly for Complete Reheat System Integration
The Reheater Header & Panel Assembly is a complete reheat steam heating system component fabricated by Boyu Heavy Industry, integrating reheater panels with their inlet and outlet distribution headers into a ready-to-install assembly. As an ASME S/U certified boiler component manufacturer with integrated header and panel fabrication capabilities, Boyu produces complete reheater systems that combine CNC-drilled headers, alloy steel panels and structural supports into a single assembly. This assembly serves the primary function of distributing cold reheat steam through the reheater panels and collecting the heated reheat steam, forming a complete, pressure-tested reheat system that can be installed directly into the boiler.
The Reheater Header & Panel Assembly is specifically constructed with thick-wall seamless steel headers (OD 159-325mm, WT 14-36mm) CNC-drilled with precise tube connection holes, welded to reheater panels via full-penetration tube-to-header welds. Boyu fabricates headers from certified alloy steel selected by temperature: 15CrMoG (SA-335 P12) for medium-temperature headers, 12Cr1MoVG (SA-335 P11/P22) for high-temperature, and T91 (SA-335 P91) for advanced service. The reheater panels are fabricated from matching tube materials with CNC precision bending. Note that reheater headers operate at lower pressure (1.2-3.8MPa) than superheater headers, allowing thinner wall thickness. The complete assembly includes headers, panels, connecting tubes, support frames and hangers.
Manufactured using CNC header deep-hole drilling, CNC panel bending, robotic tube-to-header welding, post-weld heat treatment and comprehensive NDT, every Reheater Header & Panel Assembly undergoes 100% UT for header body and welds, RT for tube-to-header joints, panel bend inspection, dimensional verification and 1.5x design pressure hydraulic test. The ASME S/U certified fabrication ensures compliance with international standards. Boyu's integrated facility enables complete system fabrication under one quality system. Typical delivery is 35-50 days. Full documentation including MTC, WPS/PQR, PWHT reports and NDT records accompanies every shipment.
One significant advantage of Boyu Reheater Header & Panel Assemblies is the complete system integration that reduces on-site installation risk and ensures pressure boundary integrity. By delivering headers, panels and supports as a pre-aligned, pressure-tested assembly, on-site welding and alignment work is reduced by 50-60% compared with separate component delivery. Additionally, the integrated fabrication ensures consistent weld quality across the critical tube-to-header joints, which are subject to high temperature creep in reheater service. The lower operating pressure of reheaters (vs superheaters) allows optimized header wall thickness that reduces both cost and thermal stress.
The Reheater Header & Panel Assembly is adaptable to various utility and large industrial boiler types, making it suitable for power generation, coking waste heat and large industrial steam applications. Its versatility enables complete reheater system fabrication for low-temperature and high-temperature stages across boiler capacities from 220t/h to 2000t/h. Furthermore, assemblies can be customized for specific header sizes, panel configurations, tube materials and support designs, ensuring direct compatibility with the boiler reheat system.
In addition to functional benefits, the Reheater Header & Panel Assembly is designed with safety and long-term reliability in mind. All pressure-bearing components comply with ASME BPVC Section I and GB/T 16507 standards. The integrated support frame design facilitates proper thermal expansion management. Boyu provides technical support for hydraulic calculation, header sizing, thermal expansion analysis and system layout optimization, helping clients achieve complete reheater systems optimized for their specific boiler design.
To summarize, the Boyu Reheater Header & Panel Assembly represents a complete, integrated reheat heating solution leveraging our ASME S/U header fabrication and panel expertise. By delivering pre-aligned, pressure-tested complete assemblies with verified weld quality, it reduces on-site installation time, ensures pressure boundary integrity and supports reliable boiler operation. Our integrated manufacturing capability, systematic quality control and expert technical support make this product an ideal choice for large boiler manufacturers and EPC contractors.
Features
· Complete assembly: headers + alloy panels + supports + hangers integrated
· ASME S/U certified, 100% UT headers + RT tube-to-header joints + 1.5x hydraulic
· Header: 15CrMoG(P12)/12Cr1MoVG(P11/P22)/T91(P91), OD 159-325mm
· Reheat pressure 1.2-3.8MPa, thinner header walls (14-36mm) vs superheater
· CNC header deep-hole drilling +/-0.5mm positional tolerance
· Panel: matching alloy tube material, CNC precision bending, ovality <8%
· Robotic full-penetration tube-to-header welding, mandatory PWHT
· Pre-aligned assembly reduces on-site work by 50-60% vs separate components
· Suitable for 220t/h to 2000t/h boilers, all reheat stages
· Delivery: 35-50 days, full documentation with traceability
Technical Parameters
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Product Name |
Reheater Header & Panel Assembly |
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Application |
Complete Reheat Steam Heating System |
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Header Material |
15CrMoG (P12) / 12Cr1MoVG (P11/P22) / T91 (P91) |
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Header OD |
159mm - 325mm |
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Header WT |
14mm - 36mm |
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Reheat Steam Pressure |
1.2MPa - 3.8MPa |
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Header Drilling Tolerance |
+/-0.5mm |
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Panel Tube Material |
15CrMoG / 12Cr1MoVG / T91 (Matching) |
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Applicable Boiler Capacity |
220t/h - 2000t/h |
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Standard Delivery |
35 - 50 Days |
Applications
The Boyu Reheater Header & Panel Assembly is a complete reheat steam heating system integrating distribution headers with reheater panels. Manufactured in Shandong, China under ASME S/U certification, this assembly provides a ready-to-install, pressure-tested reheat system. Certified with ISO9001, ASME S/U, Grade A, SGS and IBR, the product guarantees high quality and pressure boundary integrity.
This Reheater Header & Panel Assembly is widely used in large utility boilers, coking waste heat boilers and large industrial boilers with reheat cycles. Its integrated design reduces on-site installation and ensures reliable performance across all reheat stages, with optimized wall thickness for low-pressure reheat service.
Product Highlights
Reheater Header & Panel Assembly for Complete Reheat System Integration The Reheater Header & Panel Assembly is a complete reheat steam heating system component fabricated by Boyu Heavy Industry, integrating reheater panels with their inlet and outlet distribution headers into a ready-to-install ...
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