BRTB
Single blade damper used for regulation, adjustment or closing of air flows.
- Pressure class B < 2500Pa
- Air-tightness class 1-4
- Sizes between Ø 100-Ø 630
- Galvanised sheet steel or stainless steel
- Spigot or flange connection
- Temperature maximum 70°C alt. 225°C (for air tightness class 1 and 2 only)
- Prepared for external insulation with max. thickness 50 mm
- Bracket intended for actuator or with fitted lever control or actuator
