Advantages
| Frame’s airtightness | Up to class C (EN 1751) |
| Time limit | Accelerated: optimized manufacturing for low volumes |
| Motorized version | Available on request |
Dimensions
| Min | 100 x 100 mm |
| Max | 1400 x 1400 mm |
| L with a pitch of | 50 mm |
| H with a pitch of | 50 mm |
| Blade's height | 100 mm |
| Frame's width | 130 mm (110 mm in option) |
Characteristics
Commercial dampers – U range
ULO volume damper is designed to regulate the air flow in the ventilation networks in commercial buildings.
U damper is available in Antifrost version (ULG) and Shut off version class 3 (ULS)
Construction:
- Frame: galvanised steel, stainless steel or aluminium (frame in 110 mm)
- Blades: galvanised steel, stainless steel or aluminium profiles
- Control shaft 12 mm
- Blades actuation with linkage (ULO) or gear wheels (UWO)
- Manual or motorized control at the factory
Performances:
- Frame’s airtightness: class A according to EN 1751
- Acceptable pressure: 1 000 Pa for a length of L = 1m
- Operating temperature : -20 to +80°C
Options:
- Frame’s airtightness: class B or class C according to EN 1751 to reduce leakage rate in ventilation networks
- Painting

