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Quality 20G Material φ51×4mm Tube Modular Section Boiler Water Wall Panel for Industrial Steam Generators factory
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Quality 20G Material φ51×4mm Tube Modular Section Boiler Water Wall Panel for Industrial Steam Generators factory
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20G Material φ51×4mm Tube Modular Section Boiler Water Wall Panel for Industrial Steam Generators

Brand Name: HD Boiler
Model Number: MW-20G-51x4
Place of Origin: Jiangsu, China
Certification: ISO 9001:2015, GB/T 9222
Minimum Order Quantity: 1 Set
Price: USD 750-1100 / Ton
Supply Ability: 10000 Tons per Year

Product Details


Tube Outer Diameter: φ51mm Tube Wall Thickness: 4mm
Tube Material: 20G (GB5310) Membrane Bar Material: Q235B Carbon Steel
Tube Pitch: 80-100mm Panel Width: Up To 2500mm
Panel Length: Up To 12000mm Welding Method: High-frequency Resistance Welding
Working Pressure: Up To 5.3MPa Application: Industrial Steam Boiler, Replacement
Highlight

20G Industrial Boiler Panel

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φ51×4mm Modular Water Wall

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Steam Generator Replacement Part

Product Description

20G Industrial Boiler Water Wall Membrane Panel φ51×4mm Modular Section
The 20G Industrial Boiler Water Wall Membrane Panel with φ51×4mm tubes is a versatile, cost-effective modular panel solution for industrial steam generators ranging from 4 t/h to 130 t/h capacity. Pre-fabricated into manageable modular sections, these panels enable rapid on-site installation for both replacement projects and new industrial boiler construction.
Material & Construction
Manufactured from 20G seamless carbon steel boiler tubes per GB5310 standard. The φ51×4mm tube dimensions represent the most widely used configuration for industrial package boilers and small to medium capacity field-erected steam generators. Q235B membrane bars are joined to tubes using high-frequency resistance welding for a consistent, gas-tight seal. All panels are factory-welded into modular sections sized for standard container shipping and crane lifting.
Key Features
  • Modular Pre-Fabrication: Factory-assembled panel modules reduce on-site welding by up to 60%, significantly cutting field installation time and labor costs
  • Standard Industrial Dimensions: φ51×4mm and 80-100mm tube pitch dimensions match most common industrial boiler designs for direct replacement compatibility
  • Economical Material Choice: 20G carbon steel provides reliable boiler service at a highly competitive price point, ideal for budget-constrained projects without compromising quality
  • Quick Turnaround: Standard material inventory enables rapid manufacturing lead times (25-40 days) for urgent boiler maintenance or unplanned outage repairs
  • Reverse Engineering Capability: Our engineering team can replicate panels from existing drawings, sample tube sections, or on-site measurements for exact replacement fit
Quality Assurance
GB5310 compliant material verification. Panel dimensional inspection including tube straightness, pitch accuracy, and panel flatness. Hydrostatic testing per GB/T 9222. All panels protected with anti-corrosion coating for storage and transport.
Technical Specifications
Parameter Specification
Tube OD φ51mm
Tube Wall Thickness 4mm
Tube Material 20G (GB5310)
Membrane Bar Material Q235B
Tube Pitch 80-100mm
Welding Method High-frequency resistance welding
Standard GB5310, GB/T 9222
Applications
Industrial package boilers (fire-tube and water-tube), process steam generators in food, textile, and chemical plants, district heating boiler water wall panels, and replacement panels for aging industrial boiler fleets worldwide.
Send your existing panel drawings or dimensions for an exact-match replacement quotation with competitive pricing and fast delivery.

Product Highlights

20G carbon steel industrial boiler water wall membrane panel with φ51×4mm tubes in modular sections. Pre-fabricated panels for quick replacement and new-build industrial steam generators up to 130 t/h.

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