This standard BS EN 12259-13:2022 Fixed firefighting systems. Components for sprinkler and water spray systems is classified in these ICS categories:
13.220.20 Fire protection
This document specifies requirements and test methods for early suppression and fast response (ESFR) sprinklers with a nominal discharge coefficient of 200 (pendent and upright), 240 (pendent and upright), 320 (pendent), 360 (pendent), 400 (pendent) and 480 (pendent) l/min/(bar)1/2.