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With an Alfa Laval finned tube air heat exchanger you get a robust cooler that will deliver high performance for many years to come. Our product range covers most applications in the oil & gas, petrochemical and power industries. We supply both standardized and fully customized, engineered-to-order solutions. Thanks to their flexible designs, we can configure our heat exchangers to match your specific operating conditions, ensuring reliable operation, low operating costs and high performance.
Benefits
- Customized to your requirements
- Very low energy consumption with Vspeed
- Robust heat exchangers, built for tough duties
- High performance
- Low maintenance requirements
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Talk to an expert
We will be happy to discuss the benefits an Alfa Laval finned tube air heat exchanger can bring you and show you how we can help improve your operation.
Service and spare parts
Are you looking for replacement parts or field service? We can help you! Talk to one of our field service engineers.
Air-cooled finned tube heat exchangers models
Alfa Laval ACE Model A
- Vertical, sloped section(s) and fan with vertical air ejection
- Sloped sections provide an optimized centre of gravity for safer loading and transport
- Available with low-weight aluminium fan guard for increased maintenance safety
Alfa Laval ACE Model C
- Vertical air-cooler section(s) and fan with horizontal air ejection
- Economical and compact alternative to vertical air ejection models
- Easy access to the cooler section during service
Alfa Laval ACE Model E
- Horizontal air-cooler section(s) and fan(s) with vertical air ejection
- Available in single fan to four fan configurations
- Available with low-weight aluminium fan guard(s) for increased maintenance safety
- VFD capable electrical drive for precise air control and power consumption
Alfa Laval ACE Model J
- Vertical air-cooler section(s) and fan with vertical air ejection
- Easy access to the cooler section during service
- Directional plenum allows efficient airflow transition from horizontal to vertical
Alfa Laval ACE Model T
- Horizontal air-cooler section(s) and vertical fan(s) with vertical air ejection
- Available in configurations with one to five fans
- Available with low-weight aluminium fan guard(s) for increased maintenance safety
- Relatively narrow width for easy transport
Alfa Laval ACE Model V
- Sloped sections with horizontal fans and vertical air ejection
- Modular, induced draft fan cells allow for section lengths up to 18 m (60 ft)
- The special design reduces transportation and plot space costs as compared to horizontal section designs
- Standard VFD fans prewired to control system, installed on unit, reduce operating costs
Alfa Laval Olmi Model G
- Modular design, ensuring rapid ordering and delivery
- Flexible configurations
- Designed for easy transport on a normal truck or in a 40-ft container
- Quick and easy to install
Alfa Laval ACE/Olmi API 661 Air Cooler
- Engineered-to-order units for the toughest applications
- Handles temperatures up to 400°C (700°F) and pressures up to 700 bar (10,000 psi)
- Available in many materials including titanium
- Completely pre-assembled, modularized units
A complete range
Alfa Laval offers a wide array of finned tube heat exchangers, from upstream models used on drilling rigs to engineered-to-order units in downstream applications with high temperatures and pressures. The many configuration possibilities let us tailor each heat exchanger to fit its operating conditions perfectly, ensuring outstanding operating reliability, high performance and minimum operating costs.
The following table shows typical applications for our different models.
| Applications | ACE Model A | ACE Model C | ACE Model E | ACE Model J | ACE Model T | ACE Model V | Olmi Model G | ACE/Olmi API 661 | |
| Upstream | Drilling | x | x | x | |||||
| Field compression | x | x | x | x | x | ||||
| SAGD/EOR | x | x | x | ||||||
| CPF | x | ||||||||
| Upgraders | x | x | |||||||
| Midstream | Compressor stations | x | x | x | x | x | x | x | x |
| Gas processing | x | x | x | x | x | x | x | x | |
| Gas fractionation | x | x | x | x | x | x | x | x | |
| LNG | x | x | x | ||||||
| Downstream |
Refineries | x | x | ||||||
| Petrochemical plants | x | x | x | ||||||
| Power plants | x | x | |||||||
| CNG | x | x | x | x | x |
Air cooled heat exchanger educational courses
Check out our online and expanding course curriculum designed to educate the user on all key aspects of designing, buying and owning an air cooled heat exchanger. Quizzes are available to test your knowledge. Pass the quiz and you will receive a course certificate!
Sustainable efficiency
Increase reliability and profitability with Alfa Laval air-cooled heat exchangers. Check out our brochure to find out how we can help you improve the sustainability of your plant.
How it works
Working principle ACE Model E, Olmi API 661 and Olmi Model G
Working principle ACE Model A
The hot medium (e.g. hot water or lube oil) flows through the air-cooled finned tube heat exchanger within the large number of externally finned tubes. One or more fans force air across the tubes and the heat from the hot medium is transferred to the air. To maximize heat transfer, the tubes are equipped with fins that increase the area in contact with the air.
Alfa Laval offers a great variety of air-cooled finned tube heat exchanger designs in terms of:
- Number of fans
- Orientation of the fans (horizontal or vertical)
- Orientation of the tube sections (horizontal, vertical or sloped)
- Induced or forced draft
- Configurable plot sizes
Forced draft design
In air-cooled finned tube heat exchangers with a forced draft configuration the air passes the fan before it passes the finned tubes and the air is pushed through the tube bundles. The advantages with this include:
- The fan and belt is not exposed to the hot exhaust air, which increases component lifetimes.
- No temperature limit on the existing air.
- When the tube sections are horizontal, the fan is placed under the tubes, making access during service easier and costs for structure lower.
- Energy consumption is often lower as compared to induced draft units.
Induced draft design
In an air-cooled finned tube heat exchanger operating with induced draft the fan is placed after the tube sections, meaning air is pulled through the tube bundles. The advantages with this design are:
- A more even distribution of the air flow through the tube bundles.
- The risk of recirculating hot exhaust air is much lower thanks to a higher exit air velocity than in a forced-draft heat exchanger.
The combinations of forced/induced draft and the orientation of the fans and tube sections all have their individual advantages and ideal uses. Please contact your Alfa Laval representative for a discussion about the optimum solution for your specific conditions and application.
ACE - Working principle
Olmi - Working principle
Unique air-cooled finned tube heat exchanger features
HyperFin
Slitted fin design maximizes heat transfer.
SealTight
Effectively prevents leaks from the plugs in the header box.
ALOnsite™
True onsite service by skilled engineers, anywhere in the world.
Improving sustainability with welded solutions from Alfa Laval
Alfa Laval welded heat exchangers maximize energy efficiency and heat recovery, with innovations that deliver exceptional thermal performance and reliability, for a wide range of duties. But it’s more than technology. It’s also the people: experienced experts with deep process knowledge and a global service presence. Combined, that’s how you improve sustainability.
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