Fire-Main - Pressure & Flow Check
Fire-main hydraulic check per SOLAS II-2 Reg. 10 - minimum pressure 0.27 N/mm² at any two hydrants and jet throw from nozzle.
SOLAS minimum
2.70bar
Jet throw estimate
25.5m
Status
Compliant
Formula, assumptions, and limits
Minimum pressure applies with two hydrants operating at highest elevation. Passenger ships and tankers need higher minimums (0.32, 0.35 N/mm²). Test annually with jet throw.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Hydrant pressure | N/mm² | pressure gauge | |
| Nozzle jet throw | m | SOLAS II-2 Reg.10 |