Air filter / regulator / lubricator units
The air filter / regulator / lubricator unit controls operating pressure to the chuck and provides lubrication to the rotary air bearing of the air tube assembly. It also filters contaminants from the air supply, and helps prevent water vapour from accumulating and damaging the chuck. They are designed for an max. air pressure of 10 bar.
| Order-No. | Designation | Port | Usage for |
| FRL10 | Air filter / regulator / lubricator unit FRL10 | 1/8"-27 NPT | Chuck sizes 75-150 |
| FRL20 | Air filter / regulator / lubricator unit FRL20 | 1/4"-18 NPT | Chuck sizes 75-400 |