Oeltechnik Air Cooled Heat Exchangers

Oeltechnik Air Cooled Heat Exchangers / Fin Fan Coolers, The most important element of the product range is the heat transfer apparatus. In addition to these individual units, OELTECHNIK also supplies complete oil supply and condensation units.

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Design parameters

heat exchanger weight: up to 30t
heat exchanger width and length: up to 4.0 m & 20.0 m
design: Forced draft installation, Induced draft installation, Roof-type installation (forced) & Customized installation

Oeltechnik Air Cooled Heat Exchangers  Features:

  • Air-cooled heat exchanger
  • Rectangular bundle design with finned or bare tubes
  • Fluid: any gas or liquid
  • Used in: refineries, chemical plants, …
  • Technological steel construction
  • API 661 Standard or customer’s specifications
  • Produced according to all national and international regulations
  • Nationally and internationally certified (China, Poland, Hungary,…)

Material combinations:

Fluid side material: CS, SS, CuNi, …
Fin material: Al, Cu, CS, SS, …


forced draft This arrangement, where air is pushed across the bundle, meets API 661 “forced draft”.

  • Fans are easily accessible
  • Lower operating costs
  • Better thermal performance of the heat exchanger
induced draft This arrangement, where air is pulled through the bundle, meets API 661 “induced draft”.

  • Provides more uniform air distribution across the bundle
  • Protection from adverse weather (direct sun-shine, hail, heavy rain, snow)
removable cover-plate header This header design, with a flanged cover-plate, meets API 661 “removable cover-plate header”.

  • Highly soiled fluids with frequent tube cleaning intervals on the inside of the tubes.
plug header


This header design, with a shoulder plug opposite to each tube end, meets API 661 “plug header”.

  • Fluids under high pressure on the tube side (e.g. gases). If the plug has been removed, the tubes behind it can be cleaned, re-rolled or closed.
axial fan The axial fan with driver

  • optionally available ex-proof along with ex-certification (e.g. ATEX, …)
  • driven by IEC or NEMA standard motors
    • Direct drive
    • Geared motor
    • Motor with belt drive (V-belt drive, variable speed drive)
bonnet header with a half pipe end construction The bonnet header with a half pipe end construction.
With clean products on the inside of the tube and/or with a low leakage requirement.


Header design:

Bonnet header (welded D Type) Removable cover-plate header Plug header

with through bolts
with stud bolts
Design range: standard:
 up to 25 bar, costumized design possible up to 100 bar Design range: up to 40 bar, 
customized design possible with higher pressure Design range: up to 250 bar


Reference : oeltechnik.com

Download : Datasheet

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