Industrial dry coolers in reversed setup, designed for heavy industrial cooling applications in potentially explosive atmospheres for cooling of various process liquids. Dual coil models are available for simultaneous cooling of LT/HT engine circuits. Applications include diesel and gas engine cooling, turbine cooling, oil cooling and various other processes (transformers, air compressors, etc.).
- Finned coil F5
- Cu-tubes ø 12.7 mm
- corrugated Al-fins 0.14 mm, no turbulators
- fin spacing 2.3 mm
- Two casing widths (SEM=1630 mm, SED=2400 mm)
- Flanges PN10/16
- Forced draught axial fans in a range of different fan speed executions. Fan diameter 914 mm (1 to 14 fans). All fans have corrosion resistant fan blades and fan guards.
- Fan motors available for various power supplies. The motors are squirrel-caged motors for outdoor use built to IECEx standard with F-class insulation and Ex-d flameproof enclosure. Motor protection class IP54/55 and temperature class T3/T4. Motors are equipped with anti-condensation heaters. Motors pre-wired to lockable safety switches.
- All casing parts are of hot dip galvanized steel plates.
- Adjustable mounting legs
- Fitted with header tube protection panels.
- Manual venting and draining valves.
- Partitions between fans for regulation of the cooler capacity by means of separate use of the fans.
- Standard vertical transport position, fixed on a wooden pallet. Suitable for truck transportation or loading into a container. Wooden seaworthy packing on request.
For a full overview of all available options and additional technical specifications please refer to the product leaflet.
This product will be configured on order to meet all customer and application requirements. Please contact Alfa Laval for support.
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How it works
Alfa Laval finned coil air heat exchangers have been designed to achieve an optimized exchange of thermal energy between air and a refrigerant or fluid. The ‘heart’ of our air heat exchangers is the finned coil, built up from a circuit of interconnected tube serpentines and fins to increase the heat exchanging surface. Thanks to the combination of key design variables (coil materials, coil geometry, casing design, fan type), air units are very versatile heat exchangers with a great variety of applications in many industries. Alfa Laval supplies finned coil air heat exchanger products for a wide variety of applications.
Air-cooled liquid coolers (radiators/dry coolers)
Air heat exchangers may be used to cool various process liquids. For this application hot process liquid flows through the tubes. This liquid is cooled by the relatively cold ambient air that is forced through the coil.
Air heat exchangers for process liquid cooling are referred to as 'radiators'. Air-cooled liquid coolers for HVAC applications and total energy systems are referred to as 'dry coolers'.