Components of air cooler

Tubes (inside) are usually to be cleaned using steam. On the air cooler data sheet, this steam out condition should be mentioned, and vendor should design the tube bundle to stand this conditioii. 

Corrosion allowance depends on the process fluid. It is applicable to all surfaces of tube bundle exposed to process fluid, except tubes. Foul lug factor also depends on the process fluid and flow velocity through the tubes. 

Ail cooler for single pass condensing service is requited to slop the tube bundle at 1/8 inch/foot to let condensate moving to downstream header box. For multiple pass condensing service or single phase servicci, sloping IS not required. 

Sometimes it is economic to put several cooling services with small cooling duties in the same bay, each service using a different tube bundle. 

There are several different ftn tubes available according to the ways fins attached to tube. 

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