DIN 14461-4:2025-11

This document has been prepared by Working Committee NA 031-03-05 AA "Anlagen zur Löschwasserversorgung einschließlich Wandhydranten" ("Installations for supply of water for firefighting including fire hose systems") at DIN Standards Committee Firefighting and Fire Protection (FNFW). This document specifies requirements for the breeching inlet used by the fire department to fill, and where necessary, drain fire water pipe systems. DIN 14461, Delivery valve installation, consists of the following parts: - Part 1: Hose reel with semi-rigid hose; - Part 2: Supply stations and discharge points for dry risers; - Part 3: Fire hose valves for nominal pressure PN 16; - Part 4: Breeching inlet PN 16 for dry risers; - Part 5: Landing ball valve PN 16 for dry risers; - Part 6: Wall hydrants with flat hose for trained personnel; - Part 10: Conformity assessment of fittings for delivery valve installations for firefighting purposes.