| Noise level at 6 BAR | |||||||
| 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | ||
| 70 | 67 | 77 | 80 | 84 | 85 | ||
| Noise level at 4 BAR | |||||||
| 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | ||
| 68 | 65 | 74 | 76 | 80 | 82 | ||
| a | e | f | l | h | ch |
| 1/8″ BSP | 12 | 6 | 15 | 21 | 7 |
| 1/4″ BSP | 15 | 8 | 19 | 27 | 8 |
| 3/8″ BSP | 19 | 8 | 28 | 38 | 10 |
| 1/2″ BSP | 23 | 10 | 33 | 43 | 14 |
| 3/4″ BSP | 30 | 13 | 40 | 53 | 17 |
| 1 BSP | 36 | 15 | 48 | 63 | 23 |