Trocadores de calor

Refrigerador de ar industrial AC-LN 1-7 / ACA-LN 2-7 / ACAF-LN 2-7


The AC-LN 1-7 air cooler series can be used in all areas where either oil or water-glycol is to be cooled with air. The coolers with an axial fan can be used in the return line as well as in the bypass flow.

The wide range of accessories and optional versions mean that the coolers can be adapted fl exibly to various applications.

Product Features
The cooler can also be used in the bypass flow by attaching a pump. An additional fi lter enables continuous filtration of the medium.

  • Large product range
  • Large cooling performance range
  • Modular design

Operation Data

Fluids Oils (mineral oils, synthetic oils, high viscosity oils, biological oils, phosphate ester)

Water-glycol (cooling fluid)

HFC pressure fluids

Viscosity AC-LN: 2,000 mm²/s (standard)

ACA-LN / ACAF-LN: see technical data

Temperature range Minimum / maximum ambient temperature: -20 °C to +40 °C (standard)

Minimum / maximum temperature of the medium: +130 °C

Please contact the technical sales department in the event of

deviating temperatures for applications with water-glycol.

Pressure resistance of the cooling element

Dynamic operating pressure: 16 bar

Static operating pressure: 21 bar

Fan Axial fan in suction version (standard)

Axial fan in pushing version on request (note: approx. 10 % less cooling capacity)


  • Three-phase motor
  • Effi ciency class IE2 (only ≥0.75 kW)
  • Protection class IP55
  • Insulation class F
  • Other versions on request.