Customized Industrial Grade Spiral Fin Tubes
High stiffness and low flow resistance spiral fin tubes in new condition, designed for optimal heat transfer efficiency in industrial applications.
Product 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 - 40mm |
0.5 - 20.0mm |
0.5 - 3.0mm |
5 - 25.4mm |
| 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 |
Product Introduction
Boiler economizers are advanced heat exchange devices featuring finned tubes that efficiently heat liquids, typically water, up to but not exceeding the boiling point. We specialize in manufacturing three 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 exchanger system composed of specialized H-finned tubes. Compared to traditional bare tube economizers, H-finned tube designs significantly expand 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.
H-finned tubes can be manufactured as double H-finned tubes, providing exceptional structural rigidity suitable for extended tube row applications. The spiral finned economizer incorporates innovative heat transfer technology using spiral fin tubes, specifically engineered to overcome issues of severe abrasion and extend service life.
Function and Benefits
The primary function of economizers is to optimize energy efficiency and reduce operational costs. By effectively recovering waste heat, these systems minimize compressor operation requirements, resulting in substantial energy savings while maintaining adequate cooling capacity.
Boiler Economizer Specifications
| Description |
Boiler economizer |
| Material |
Alloy steel, Carbon steel, SA210C, SA213T22, and related grades |
| Material Standard |
ASTM, EN, ISO, and equivalent international standards |
| Dimension |
Custom specifications available |
| Weight |
Minimum: 10 tons | Maximum: 1000 tons |
| Smelting Process |
EF + LF + VD |
| Manufacturing Process |
Material → Ingot → Hot/Cold Rolling → Heat Treatment (Normalizing + Tempering) → Inspection → Rough Machining → UT → Secondary Heat Treatment → Finishing Machining → Final Inspection |
| UT Standard |
ASTM A388, EN10228, and equivalent standards |
Company Profile
Zhangjiagang Hua Dong Boiler Co., Ltd., established in 1985, is a leading enterprise specializing in the manufacturing of power station boilers, industrial boilers, HRSGs, waste incineration boilers, biomass boilers, and related heating surface components in China. Hua Dong Boiler provides comprehensive integrated services encompassing design, manufacturing, installation, and maintenance.
Quality Control System
- Impact testing and comprehensive strength calculation reports with detailed applied materials information
- 100% non-destructive inspection (NDT) reporting for steel plates, tubes, and electrodes
- Comprehensive X-ray, γ-ray, and liquid penetrant test inspection reports for welding seams to ensure complete boiler quality
- Hydraulic test reporting to verify 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% control over processes and products. All products undergo stringent inspection and testing throughout manufacturing to guarantee faithful adherence to contract requirements, national regulations, and standards.
Certifications
Comprehensive Verification Certificates:
ISO 9001: 2015; CE Certificate; EN ISO 3834-2; ASME Certificate with "S", "U" and "NB" Stamps, and related certifications
Frequently Asked Questions
Q1: How long is the warranty period?
We provide an 18-month warranty for all spare parts (excluding fragile components).
Q2: How can we guarantee quality?
- All equipment strictly complies with ISO quality and CE system requirements
- Each manufacturing procedure is executed by professional skilled labor, followed by dedicated quality control
- Comprehensive product information accessible through our efficient management system
Q3: 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.
Q4: What services do you provide?
Before Sales: Comprehensive product information, market research forecasting, product customization, product processing, consultation, and related support services.
After Sales:
- Technical training according to customer requirements
- Warranty replacement commitment
- Maintenance spare parts supply
- Regular customer follow-up and visits
- Prompt response to emails and phone calls for complaints or consultation
Delivery Terms: FOB, CFR, CIF, EXW, FCA
Payment Currency: USD, CNY
Payment Methods: T/T, L/C, MoneyGram, Western Union, Cash
Languages: English, Chinese
Q5: Are you a factory or trading company, and where are you located?
We operate as a manufacturing facility located just 130km (approximately 2 hours by car) from Shanghai Airport. We provide convenient pickup service at Shanghai for customer visits and inspections.
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