Effects of Nozzle Wear on Air Consumption
| Nozzle No. | Air Flow in CFM | ||
| No. 4 | 1/4″ (6.5mm) | 81 cfm | |
| No. 5 | 5/16″ (8.0mm) | 137 cfm | 69% more than No.4 |
| No. 6 | 3/8″ (9.5mm) | 196 cfm | 43% more than No.5 |
| No. 7 | 7/16″ (11.0mm) | 254 cfm | 29% more than No.6 |
| No. 8 | 1/2″ (12.5mm) | 338 cfm | 33% more than No.7 |