Deluge (open) spray nozzle
NFPA 15 / NFPA 13 / NFPA 20 / ISO 13702 (fire protection) / company legend practice (NFPA 15)
Drawn as
A small drop from the pipe ending in an open nozzle (a small triangle), with dashed spray lines fanning out.
Meaning
Open water-spray nozzle on deluge pipework. All nozzles in the zone discharge together when the deluge valve opens. Becomes deluge-nozzle.
Variants
- Foam-water nozzles are drawn the same with "F"
- Nozzle layouts are usually on separate fire-protection drawings
Tags
NZ