| Hazard group | Density (gpm/ft²) | Density (mm/min) | Area (ft²) | Area (m²) |
|---|---|---|---|---|
| Light | 0.1 | 4.1 | 1500 | 139 |
| Ordinary 1 | 0.15 | 6.1 | 1500 | 139 |
| Ordinary 2 | 0.2 | 8.2 | 1500 | 139 |
| Extra 1 | 0.3 | 12.2 | 2500 | 232 |
| Extra 2 | 0.4 | 16.3 | 2500 | 232 |
Uwagi
- Area reduces by 40% for ESFR and CMSA systems with quick-response heads (per NFPA 13 §11.2.3.2).
- Hose stream allowance: 100 gpm (LH), 250 gpm (OH), 500 gpm (EH).
Źródło
NFPA 13 (2022) Figure 19.2.3.1.1 + Chapter 19.
Cite this page
- APA
- FireTwin AI (2026). NFPA 13 density / area curves. FireTwin AI. https://firetwin.eu/pl/data/nfpa13-density-area
- IEEE
- FireTwin AI, "NFPA 13 density / area curves," FireTwin AI, 2026. [Online]. Available: https://firetwin.eu/pl/data/nfpa13-density-area