Model STT-ST
download the product datasheet 
| Noise level at 6 BAR | |||||||
| 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | ||
| 72 | 73 | 84 | 88 | 88 | 89 | ||
| Noise level at 4 BAR | |||||||
| 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | ||
| 69 | 70 | 82 | 84 | 85 | 85 | ||
| a | b | f | l | h | c |
| 1/8″ BSP | 10 | 6 | 6 | 12 | 1,5 |
| 1/4″ BSP | 13 | 8 | 6 | 14 | 1,5 |
| 3/8″ BSP | 17 | 8 | 8 | 16 | 1,5 |
| 1/2″ BSP | 20 | 12 | 8 | 20 | 2,5 |
| 3/4″ BSP | 26 | 14 | 9 | 23 | 2,5 |
| 1 BSP | 33 | 14 | 11 | 25 | 2,5 |
red apple international