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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
Alfa Laval finned tube air heat exchangers are built for reliable operation, year in and year out, in the most demanding applications. We have supplied air-cooled heat exchangers for upstream, midstream and downstream applications for over 50 years, and we know what it takes to ensure high uptime. Based on your specific operating conditions, we provide a customized, high-quality solution with low CAPEX and OPEX. With disruptive innovations such as our Vspeed variable drive and HybridCool technology (see below for more information), we can offer unique solutions with remarkably low energy consumption, compact size and high performance.
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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 |
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
The hot medium (e.g. hot water or lube oil) flows through the 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 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 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 exiting 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 a 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.
ALOnsite™
True onsite service by skilled engineers, anywhere in the world.
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.
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