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Most installations are sized according to maximum temperatures occurring only rarely during the year, this being exacerbated by the heat-wave phenomenon of recent years, implying over-sizing and therefore a larger footprint, higher sound levels and greater investment in terms of non-productive exchange surfaces.
Adiabatic air coolers provide a response to this type of climatic constraint:
in effect, this system retains the advantages of a dry air cooler, that is where the process circuit is closed, retaining the quality of process fluids without atmospheric pollution or the development of bacteria.
This process, exclusive to GEA, enables the air inflow to be charged with water and therefore its temperature lowered. Mains water is sprayed through nozzles mounted on booms, the position and angle of dispersion of which have been designed so as to charge the air with water efficiently and make maintenance easier.
Water consumption remains limited because spraying only operates at the hottest times of the year thanks to a system of regulation.
Since adiabatic air coolers do not have a tank to collect the water and no water treatment is required, they comply with current legislation concerning protection against legionella bacteria and other proliferations.
This concept avoids the over-sizing of air coolers, and therefore reduces the dimensions of the exchanger, reduces the amount of power used by the fans, as well as the sound level of the installation.
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Vextra
Cools fluids and generators or provides free cooling for commercial, industrial and healthcare applications. Designed for outdoor installation. May be used to replace a cooling tower.
Over 220 models available
Cooling capacity: 180 to 1350 kW
- 6 to 20 fans with airfoil-shaped casings made of composite materials,
- Fan guard,
- Galvanised steel casing prepainted with a two-tone finish (RAL 7035 and RAL 7024),
- Motor: IP55, class F, available with a selection of seven operating speeds.
- Many options and variations.
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The air cooler cools the water or oil using external air by means of a single-piece exchanger with continuous tubes and fins and fans. These fans can either be arranged above the equipment, in “induced draught” mode (RGR-TGR range), or below the equipment in “forced draught” mode (RGF-TGF range). The arrangement depends on the thermal characteristics of the installation established at the design stage.
This range of pre-specified air coolers enables us to be very proactive when it comes to delivery deadlines and to offer ...
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EOLIA Air Cooler
The robust construction of Thermofin’s Air Coolers coupled with a design of unparalleled adaptability warrants that your process constraints and requirements are met. A careful selection of materials and parts will also provide assurances that noise level and structural integrity are respected or improved upon!
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Dry coolers :
• FC ECA 26 > 850 kW
• FC CHV 30 > 750 kW
• AES 70 > 550 kW
• AEV 150 > 1400 kW
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Air Cooled Condensers / Fluid coolers
Features
Units available for refrigerants R-22, R-134a & R-404a for capacities 16 to 804 kW.
Casing of painted galvanized sheet steel casing for excellent resistance to UV light and corrosion.
High efficiency coil with copper tubes and aluminimum fins.
Copper manifold and connectrions with Schrader service valve for each circuit.
Low-noise shrouded axial Carrier Flying Bird fan available
Fan motors are IP55 (class F) with 380/415-3-50 standard.
Fan guards in polyethylene coated steel wire.
Electrical connections in easy access weatherproof boxes.
Improved accessibility.
09CDG units with Flying Bird fan available.
TÜV approved units (09CDF series)
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