Air-Cooled Heat Exchanger
I. Basic Parameters of Air-Cooled Heat ExchangerParameter Category
Typical Specifications
Core Description
Heat Exchange Area
10㎡ – 10,000㎡
Non-standard area customizable, covering small process cooling to large petrochemical / power unit applications
Design Pressure
0.1MPa – 16MPa
Suitable for medium and high-pressure conditions, meeting heat exchange requirements for steam, oil, gas and chemical media
Design Temperature
-40℃ – 600℃
Adjustable according to medium type (high-temperature oil/gas, low-temperature fluid) and ambient temperature
Main Material
Tube bundle: carbon steel / stainless steel / titanium / nickel-based alloyFrame: galvanized carbon steel / aluminum alloy
Tube bundle material matches medium corrosion resistance; frame features weather-proof and anti-corrosion performance
Structure Type
Horizontal forced-draft / induced-draft, vertical
Induced-draft type offers higher efficiency; forced-draft type is easier to maintain, adaptable to different sites
Fan Configuration
Axial fans, power 1.5kW – 110kW
Variable frequency control adjusts air volume for variable working conditions and energy saving
Heat Exchanger Tube Type
Bare tube / finned tube (L-type / LL-type / embedded)
Finned tubes increase heat exchange area by 3–10 times and enhance air-side heat transfer
Applicable Standards
API 661, GB/T 15386, ASME VIII, PED/CE
Complies with international petrochemical, electric power specifications and global market access requirements
II. Core Selling Points by Regional Market1. European Market· Compliance & Safety: Strictly conforms to PED/CE/API 661 standards, supported by complete CE certification, material traceability reports and TÜV third-party inspection. Fans and motors are ATEX explosion-proof certified, meeting EU occupational safety and environmental regulations.
· Environmental & Energy Efficiency: Finned tube + variable frequency fan design improves heat exchange efficiency by 30%, reduces energy consumption by 40% compared with water coolers, and produces no circulating water discharge, in line with the EU Water Framework Directive and Green Deal.
· Quality & Service Life: Tube bundle made of corrosion-resistant alloy, frame with hot-dip galvanizing + polyurethane coating; service life exceeds 20 years. Modular design supports easy expansion and maintenance.
· Intelligence: Integratable with temperature / pressure sensors and PLC control system for automatic air volume adjustment, remote monitoring and fault early warning, meeting Industry 4.0 smart factory requirements.
2. American Market· Standard Compliance: Designed and manufactured per API 661 / ASME VIII with U/UM stamp certification, meeting North American OSHA safety codes and CSA/UL electrical safety requirements.
· Explosion Protection & Reliability: Full series available with Class I, Division 1/2 explosion-proof design for high-risk applications such as oilfields and refineries. Tube bundle features anti-fatigue design to resist temperature fluctuations and pressure shocks.
· Efficiency & Maintenance: Induced-draft structure + high-efficiency finned tubes improve heat exchange efficiency by 25% over conventional air coolers. Modular assembly enables fast transportation and on-site installation, with maintenance intervals ≥ 12 months.
· Localized Service: Provides local warehousing, technical support and spare parts service in North America with response time ≤ 24 hours to ensure production continuity.
3. Southeast Asian Market· Cost-Effectiveness: Mainly carbon steel bare tube / low finned tube configuration, balancing performance and cost to fit budgets of small and medium chemical and manufacturing enterprises.
· Weather Resistance & Anti-Corrosion: Frame with hot-dip galvanizing + salt-spray resistant coating; stainless steel tube bundle optional to resist tropical high humidity, high temperature and coastal salt spray corrosion.
· Flexible Customization: Fans and tube bundle layout customizable to local power supply (220V/50Hz) and climate conditions; supports small-batch multi-spec production.
· Supply Chain Advantages: Preferential tariffs under China-ASEAN Free Trade Area, short delivery cycle (≤ 60 days), with on-site installation guidance and operation training.
4. Middle East Market· Extreme Condition Adaptability: Equipped with high-temperature resistant finned tubes and sand-proof frame design, enabling stable operation at ambient temperatures above 50℃ and resisting desert sand erosion.
· Explosion Protection & Safety: Complies with ATEX/IECEx explosion-proof standards; motors and fans feature dust-proof sealing, suitable for flammable and explosive environments in oilfields and petrochemical plants.
· Water Saving & Energy Utilization: Fully replaces water coolers with zero water consumption, addressing water scarcity in the Middle East. Can integrate waste heat recovery system to supply hot air for plant heating.
· Long Life & Low Maintenance: Key components from imported brands, maintenance-free period ≥ 5 years, reducing customer operation and maintenance costs.
5. African Market· Robust & Durable: Heavy-duty structural design resistant to vibration and power grid fluctuations, adapting to regions with underdeveloped infrastructure.
· Low-Cost Maintenance: Standardized and universal wearing parts at affordable prices; basic repairs can be completed locally to reduce full-life-cycle costs.
· Basic Industry Adaptability: Mainly medium-low pressure, small-to-medium area air-cooled heat exchangers for essential industries including mining, fertilizer and power generation.
· Financing Support: Financing solutions available through African Development Bank / Export-Import Bank of China to support project implementation and ease capital pressure.
