Air coolers are made of tubular beams, arranged in compartments and served by 2 or more fans, metal structure, and other auxiliary equipment. Manufacture of the pressure equipments is done according to the specific design codes and the additional requirements of API 661 standard. The type of finned tube is set up according to the  operating conditions. Where airflow needs to be controlled, blinds are used.

The main parameters defining air coolers are:

  1. number of horizontal or vertical row
  2. total surface of heat transfer
  3. air flow free surface



Diameter: max. Ø 6,000 mm.

Length: 45,000 mm./section

Shell Thickness: max. 100 mm.

Temperature min./max.: -40°  / 600°C

Pressure: max. 450 bar

Weight: max. 200 tons



Carbon Steel, Carbon Steel Alloy, Stainless Steel, Clad Steel (Monel), Duplex, Super Duplex, Cu-Ni Alloy, Cladded materials etc.