Dial Regulator 70
| Model | Description |
| 70 | 70 quadrant only |
| 70R | 70 quadrant only, round end bearing,square end bearing |
| 70RS | 70 quadrant, spring loc bearing,square end bearing |
| 70RL | 70 quadrant, spring loc bearing,long square end bearing |
| 70RLL | 70 quadrant, long spring loc bearing,long square end bearing |
75 Quadrant set are designed with excellent handle action as well as quick wing nut adjustment and locking of the damper. The frame is marked to show the exact position of the damper. It can be used on square and round ducts. |
