Pressure Washing Nozzle ChartUpdated 9 months ago
| Std. Nozzle (Size) Number | Equiv. Orifice Diam. (inches) | Nozzle Flow (US gpm) | |||||||||||||
| 250 psi | 500 psi | 600 psi | 700 psi | 800 psi | 1000 psi | 1200 psi | 1500 psi | 2000 psi | 2500 psi | 3000 psi | 3500 psi | 4000 psi | 5000 psi | ||
| 2.0 | 0.034 | 0.50 | 0.71 | 0.77 | 0.80 | 0.89 | 1.00 | 1.10 | 1.20 | 1.40 | 1.60 | 1.70 | 1.90 | 2.00 | 2.23 |
| 2.5 | 0.039 | 0.63 | 0.88 | 0.97 | 1.05 | 1.12 | 1.25 | 1.37 | 1.53 | 1.77 | 1.98 | 2.17 | 2.34 | 2.50 | 2.80 |
| 3.0 | 0.043 | 0.75 | 1.05 | 1.19 | 1.25 | 1.34 | 1.50 | 1.60 | 1.85 | 2.10 | 2.35 | 2.60 | 2.85 | 3.00 | 3.35 |
| 3.5 | 0.048 | 0.87 | 1.23 | 1.40 | 1.47 | 1.56 | 1.75 | 1.90 | 2.17 | 2.45 | 2.73 | 3.05 | 3.32 | 3.50 | 3.90 |
| 4.0 | 0.052 | 1.00 | 1.40 | 1.60 | 1.70 | 1.80 | 2.00 | 2.20 | 2.50 | 2.80 | 3.10 | 3.50 | 3.80 | 4.00 | 4.50 |
| 4.5 | 0.055 | 1.10 | 1.50 | 1.70 | 1.90 | 2.00 | 2.20 | 2.40 | 2.80 | 3.00 | 3.60 | 3.90 | 4.30 | 4.50 | 5.03 |
| 5.0 | 0.057 | 1.30 | 1.80 | 1.90 | 2.10 | 2.20 | 2.50 | 2.80 | 3.10 | 3.80 | 4.00 | 4.40 | 4.70 | 5.00 | 5.60 |
| 5.5 | 0.060 | 1.40 | 1.90 | 2.10 | 2.30 | 2.50 | 2.80 | 3.00 | 3.40 | 3.90 | 4.40 | 4.80 | 5.20 | 5.50 | 6.20 |
| 6.0 | 0.062 | 1.50 | 2.10 | 2.30 | 2.50 | 2.70 | 3.00 | 3.20 | 3.70 | 4.20 | 4.80 | 5.20 | 5.60 | 6.00 | 6.70 |
| 6.5 | 0.064 | 1.70 | 2.30 | 2.50 | 2.70 | 2.90 | 3.30 | 3.60 | 4.00 | 4.60 | 5.20 | 5.70 | 6.00 | 6.50 | 7.30 |
| 7.0 | 0.067 | 1.80 | 2.50 | 2.70 | 2.90 | 3.10 | 3.50 | 3.80 | 4.30 | 5.00 | 5.60 | 6.10 | 6.60 | 7.00 | 7.80 |
| 7.5 | 0.070 | 1.90 | 2.70 | 2.90 | 3.20 | 3.40 | 3.80 | 4.10 | 4.60 | 5.30 | 6.00 | 6.50 | 7.00 | 7.50 | 8.40 |
| 8.0 | 0.072 | 2.00 | 2.80 | 3.10 | 3.40 | 3.60 | 4.00 | 4.40 | 5.00 | 5.60 | 6.20 | 7.00 | 7.50 | 8.00 | 8.90 |
| 8.5 | 0.074 | 2.20 | 3.00 | 3.30 | 3.60 | 3.80 | 4.30 | 4.60 | 5.30 | 6.00 | 6.70 | 7.40 | 8.00 | 8.50 | 9.50 |
| 9.0 | 0.076 | 2.30 | 3.20 | 3.50 | 3.80 | 4.00 | 4.50 | 5.00 | 5.50 | 6.40 | 7.10 | 7.80 | 8.50 | 9.00 | 10.10 |
| 9.5 | 0.078 | 2.40 | 3.40 | 3.70 | 4.00 | 4.30 | 4.80 | 5.20 | 5.80 | 6.80 | 7.60 | 8.30 | 9.00 | 9.50 | 10.60 |
| 10.0 | 0.080 | 2.50 | 3.50 | 3.90 | 4.20 | 4.50 | 5.00 | 5.40 | 6.10 | 7.00 | 8.00 | 8.70 | 9.40 | 10.00 | 11.20 |
| 12.0 | 0.087 | 3.00 | 4.20 | 4.60 | 5.00 | 5.40 | 6.00 | 6.40 | 7.30 | 8.40 | 9.50 | 10.40 | 11.20 | 12.00 | 13.40 |
| 15.0 | 0.094 | 3.80 | 5.30 | 5.80 | 6.40 | 6.80 | 7.50 | 8.20 | 9.20 | 10.60 | 12.00 | 12.90 | 14.00 | 15.00 | 16.80 |
| 20.0 | 0.109 | 5.00 | 7.10 | 7.80 | 8.40 | 9.00 | 10.00 | 10.80 | 12.20 | 14.20 | 16.00 | 17.40 | 18.80 | 20.00 | 22.40 |
| 30.0 | 0.141 | 7.50 | 10.60 | 11.60 | 12.80 | 13.60 | 15.00 | 16.40 | 18.40 | 21.20 | 24.00 | 26.00 | 28.00 | 30.00 | 33.50 |