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NWFL Dry Air Coolers

NWFL Dry Air Coolers

NWFL series dry air cooler is  a type of cooling tower specially designed to the industiry that wet cooling equipement is not ideal working condition. Such as air conditioning system glycol water solution, hospital equipement, computer room installations, etc.


♦ No evaporation design, saving water consumption
♦ Closed circuilt, glycol water could avoid the frozen problem in cold season
♦ Keeps environmen dry and clean without water open to air
♦ Factory assembled, easy installation and maintenance

Components Instruction


Frame Structure

Modular structure, use the high quality of zinc magnesium aluminum material (304 or 316 stainless steel for option), which is standardization made by Z600 galvanized anti-corrosion processing. After passivation treatment, cooling tower can withstand water PH value 6.5-9.0 . At the same time, the component design strength can bear the wind pressure of 1440 Pa, Protected the product quality and ensured stable running. Equipment can be ordered according to singlecell or multi cells.


Using high quality Q235 steel palte with corrosion prevention painting , high strength, strong anti-corrosion ability, beautiful appearance, smooth and easy assembly, etc.

Axial Fan

Using the centrifugal fan, through static and dynamic test of production process, to meet the cooling tower heat transfer performance under the premise of maximum noise reduction.


Using directly shaft transmission. Smooth running, low noise, fan bearing with conical roller bearing, large carrying capacity, long life, rated life over 20,000 hours


Seamless copper tube expanded into collared aluminium plate fins. Surface rate Fin/cooper is more than 20. ensure the excellent performance of heat discharge. Hydrophilous aluminum fins ensured well performance and long service life. Copper coil are seamless and tested under 1.6Mpa comressed air under water.


Using closed cooling tower dedicated motor IP55 protection grade, insulation class is F, suitable for hot and humid environment to run for a long time. Products comply with IEC international standards, with high efficiency, low noise, long life, reliable operation, etc.  


♦ Fertilizer plants                           ♦ Chemical and petrochemical plants                    ♦  Diaries and beverages factories       
♦  Automobile industry                   ♦ Cement and sugar industries                              ♦  Machine tools manufacturing unit     
 Furnaces manufacturing unit     ♦  Diesel generator set manufacturing unit            ♦  Air gas compressors manufacturing unit 
♦  Power plant cooling solution      ♦  Injection molding & Plastic extruder plant          ♦  Steel foundry & water treatment plants
Technical Specification of NWFL Series Dry Air Coolers
Item  Heat 

 Fan   Air 

Model Length Width Height Power 
Dry Wet
NWFL -5 30 1000 1000 1500 0.75 1 13000 32 600 800
NWFL -10 60 1000 2000 1500 0.75 2 26000 50 1100 1400
NWFL -20 120 1200 2800 1500 1.5 2 40000 50 1400 1800
NWFL -30 180 1500 2800 1600 2.2 2 50000 65 1500 1900
NWFL -50 300 1500 3200 1600 1.5 3 60000 80 1800 2200
NWFL -80 470 3000 2800 1900 2.2 6 80000 80 x 2 3600 4400
NWFL -100 590 3000 3200 1900 2.2 6 100000 80 x 2 3900 5500

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