Nozzles - Water Discharge Capacities

Discharge capacities of water nozzles. Reference data for water temperature of 60°F (15.6°C).

Nozzle Size (inches)Pressure (psi)Discharge Capacity (gpm)Discharge Capacity (m³/h)
0.5103.80.86
0.5205.41.22
0.5306.61.5
0.5407.61.72
0.5508.51.93
0.75108.61.95
0.752012.22.77
0.753014.93.38
0.754017.23.9
0.755019.14.34
11015.33.47
12021.64.9
13026.56.02
14030.66.95
15034.27.77

Conversion Factors

  • 1 in (inch) = 25.4 mm
  • 1 psi (lb/in²) = 6,894.8 Pa = 0.06895 bar
  • 1 gpm (US) = 6.30888×10⁻⁵ m³/s = 0.227 m³/h

Notes

  • Water temperature: 60°F (15.6°C)
  • Discharge capacity values are typical for standard nozzles
  • Actual discharge may vary based on nozzle design and water conditions