Overview
Air-cooled heat exchangers (ACHEs), sometimes called air coolers,
are used in refineries, Petro-chemical plants, gas treating plants,
compressor stations, power plants, and other facilities. ACHEs are
used for process cooling and/or condensing.
Rectangular Fin Tube Bundles with Plug Type or Cover Plate type
headers all having same tube length and mounted on a common
structure having an in- built fan drive system with enough space
beneath for free suction of atmosphere air. Motor driven units have
multiple fans as per API-661 arrangement. Engine driven units have
single or multiple fans mounted on a single shaft which is coupled
to the engine shaft through speed reducing belt drive transmission
system.