Customized Industrial Boiler Spiral Double H Fin Tubes
High-efficiency stainless steel fin tubes designed for superior safety and energy savings in industrial boiler applications.
Product Introduction
Boiler economizers are advanced heat exchange devices featuring finned tubes that efficiently heat liquids while maintaining temperatures below boiling points. We specialize in manufacturing three distinct types of boiler economizers: bare tube economizers, H finned tube economizers, and spiral finned tube economizers.
The H-finned tube economizer represents a high-efficiency heat exchange solution constructed from specialized H-finned tubes. Compared to traditional bare tube economizers, this design significantly expands the heat exchange surface area while reducing the total number of tubes required. This configuration also increases flue gas flow area, effectively reducing flow velocity and minimizing abrasion.
Our double H finned tubes are engineered with exceptional rigidity, making them ideal for extended tube row applications. The spiral finned economizer incorporates our latest heat transfer technology, utilizing spiral fin tubes to overcome common challenges of severe abrasion and limited service life.
Primary Function
As the name implies, economizers are designed to "economize" - delivering substantial cooling cost savings by reducing compressor operation requirements. When compressors can be shut down while maintaining adequate cooling capacity, significant energy savings are achieved.
Product Specifications
Economizer Parameters
| Description |
Boiler economizer |
| Material |
Alloy steel, Carbon steel, SA210C, SA213T22, etc. |
| Material Standard |
ASTM, EN or ISO etc. |
| Dimension |
Customization |
| Weight |
Min: 10 ton | Max: 1000 ton |
| Smelting Process |
EF+LF+VD |
| Process |
Material→Ingot→Hot/Cold-Rolling→Heat treatment (Normalizing+tempering)→Inspection→Rough machining→UT→2nd Heat treatment→Finishing machining→Inspection |
| UT Standard |
ASTM A388 or EN10228, etc |
Technical Specifications
| Item |
Base Tube O.D (mm) |
Base Tube Thickness (mm) |
Fin Height (mm) |
Fin Thickness (mm) |
Fin Pitch (mm) |
| Range |
25.4 ~ 1600mm |
2.5 ~ 40 mm |
0.5 ~ 20.0 mm |
0.5 ~ 3.0 mm |
5 ~ 25.4 mm |
| Material |
Carbon Steel, Alloy Steel, Stainless Steel |
| Length |
0 < L < 12000mm |
H-Fin Tube Specifications
| Product |
H-fin Tube |
| Base Pipe |
Welded or Seamless |
| Material |
Carbon steel, alloy steel, stainless steel, non-ferrous alloys and nickel alloys |
| Application |
H economizer, H evaporator, H superheater, H air heater and related systems |
Manufacturer Profile
Zhangjiagang Hua Dong Boiler Co., Ltd., established in 1985, specializes in manufacturing power station boilers, industrial boilers, HRSGs, waste incineration boilers, biomass boilers, and related heating surface components. We provide comprehensive integrated services spanning design, manufacturing, installation, and maintenance.
Key Advantages
38 years of industry experience in research, development, and manufacturing with substantial production capacity.
Quality Control System
- Impact test and Strength calculation reports with comprehensive materials information
- 100% NDT (non-destructive inspection) reporting for steel plate, tube, and electrode materials
- Comprehensive X-ray, γ-ray, and liquid penetrant test inspection reports for welding seams
- Hydraulic test reporting to ensure standard working pressure and safety compliance
We maintain a complete quality assurance and control system certified according to International Quality Standards. Our quality assurance system strictly complies with national regulations, standards, and technical requirements, ensuring 100% process and product quality control through stringent inspection and testing protocols.
Certifications & Standards
ISO 9001: 2015
CE Certificate
EN ISO 3834-2
ASME Certificate
S, U, NB Stamps
Global Distribution
Frequently Asked Questions
How long is the warranty period?
We provide 18 months warranty for all spare parts (excluding fragile parts).
How can we guarantee quality?
- All equipment manufactured in strict accordance with ISO quality and CE system requirements
- Each procedure crafted by professional skilled labor with dedicated QC oversight
- Comprehensive product information accessible through efficient management systems
What products can you purchase from us?
CFB Boiler, HRSG Boiler, Boiler Economizer, Boiler Fin tube, Boiler Air preheater, Boiler superheater, Boiler membrane wall, Boiler manifold headers, and other pressure spare parts.
What services do you provide?
Before Sales: Product information, market research forecasting, product customization, product processing, consultation and related services.
After Sales:
- Technical training according to customer requirements
- Replacement guarantee under warranty terms
- Maintenance spare parts supply commitment
- Regular customer callbacks and visits
- Prompt response to complaints and consultation requests
Delivery Terms: FOB, CFR, CIF, EXW, FCA
Payment Currency: USD, CNY
Payment Methods: T/T, L/C, MoneyGram, Western Union, Cash
Languages: English, Chinese
Are you a factory or trading company, and where are you located?
We are a manufacturing facility located just 130km (approximately 2 hours by car) from Shanghai Airport. We provide pickup service from Shanghai for customer visits.
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