YaleOverhead Door Closer - 797 series
| Item Code | 797 series |
| Closing force | 1|2|3|4 |
| Fixed closing size | 1-2-3-4 |
| Door width | 750: 1100 mm |
- Crank and piston mechanism
- Closing force: 1|2|3|4
- Door width 750: 1100
- Fixed closing size: 1-2-3-4
- With helical spring
