Choose the correct orifice size by locating the closest GPM rating of your machine under its respective PSI rating column.
*This is a general reference guide used for informational purposes only. Please consult your machine's manufacturer with specific nozzle sizing questions.
| Orifice Size | PSI |
| 1000 | 1200 | 1500 | 2000 | 2500 | 3000 | 4000 | 5000 |
| 3.5 | 1.70 | 1.90 | 2.17 | 2.45 | 2.73 | 3.05 | 3.32 | 3.50 |
| 4.0 | 2.00 | 2.20 | 2.50 | 2.80 | 3.10 | 3.50 | 3.80 | 4.00 |
| 4.5 | 2.20 | 2.40 | 2.80 | 3.00 | 3.60 | 3.90 | 4.30 | 4.50 |
| 5.0 | 2.50 | 2.80 | 3.10 | 3.40 | 4.00 | 4.40 | 4.70 | 5.00 |
| 5.5 | 2.80 | 3.00 | 3.40 | 3.80 | 4.40 | 4.80 | 5.20 | 5.50 |
| 6.0 | 3.00 | 3.20 | 3.70 | 4.20 | 4.80 | 5.20 | 5.70 | 6.00 |
| 6.5 | 3.30 | 3.60 | 4.00 | 4.60 | 5.20 | 5.70 | 6.00 | 6.50 |
| 7.0 | 3.50 | 3.80 | 4.30 | 5.00 | 5.60 | 6.10 | 6.60 | 7.00 |
| 7.5 | 3.80 | 4.10 | 4.60 | 5.30 | 6.00 | 6.50 | 7.00 | 7.50 |
| 8.0 | 4.00 | 4.40 | 5.00 | 5.60 | 6.20 | 7.00 | 7.50 | 8.00 |
| 8.5 | 4.30 | 4.60 | 5.30 | 6.00 | 6.70 | 7.40 | 8.00 | 8.50 |
| 9.0 | 4.50 | 5.00 | 5.50 | 6.40 | 7.10 | 7.80 | 8.50 | 9.00 |
| 9.5 | 4.80 | 5.20 | 5.80 | 6.80 | 7.60 | 8.30 | 9.00 | 9.50 |
| 10.0 | 5.00 | 5.40 | 6.10 | 7.00 | 8.00 | 8.70 | 9.40 | 10.00 |
| All Units in Gallons per Minute (GPM) |
Canada
中国
Polska
România
Україна
Méjico
