letter combinations
Reading time:Table 84 provides the most common functional identifications.
We quote a few combinations that can be misleading :
FE = primary flow measurement element. E.g. diaphragm, venturi…
FO = flow limiter calibrated opening.
PCV = independent pressure controller. E.g. pressure relief valve.
PSV = independent safety mechanism on a pressure. E.g. safety valve.
PC = pressure controller.
PV = pressure control valve.
![Close](/bundles/degremontememento/images/close_modal.png)
![letter combinations to define a function or an item of equipment](https://www.suezwaterhandbook.com/var/degremont/storage/images/formules-et-outils/formulaire/instrumentation/combinaisons-de-lettres/dossier-media/combinaisons-lettres-fonction-equipement/81737-3-eng-GB/letter-combinations-to-define-a-function-or-an-item-of-equipment2_articlewidth.jpg)
![Secured image](/bundles/degremontememento/images/protected_image.png)
Bookmark tool
Click on the bookmark tool, highlight the last read paragraph to continue your reading later![Close](/bundles/degremontememento/images/close_modal.png)
![](/bundles/degremontememento/images/txtbookmark_notconnected.png)