Commonly used P&ID (Piping and Instrumentation Diagram) symbols for heat transfer equipments. Note that they may differ slightly from one project to another.
Heat Exchanger P&ID symbols
| Air cooler |  |
| Generic heat exchanger |  {adinserter 1} |
| Generic heat exchanger |  |
| Plate and frame heat exchanger |  |
| Double pipe U tube heat exchanger |  {adinserter 1} |
| Kettle type heat exchanger |  |
| Shell & Tube Heat Exchanger |  |