4.11 Heat Exchanger Selection

The proper selection of a heat exchanger involves many factors. It is easy to choose one that will work; however, does it optimize cost of the total system without compromising operating reliability?

4.11.1 Guidelines We Should Follow

 Do not specify or purchase a heat exchanger without considering its effect on the total process.

 Do not make the capital cost of the heat exchanger alone the sole criterion for purchase.

 Acquaint the vendor with details of service and point out that the choice will be made on both initial and operating cost, not just initial capital cost alone.

 Use realistic pressure drop specifications, as this affects size and cost.

 Allow as much pressure loss as economics dictate for ...

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