The product has three different circular models. From tight shut-off damper to control damper with perforated plate.
Shut-off, adjustment, balancing or control damper
Casing leakage classification: EN 1751, Class C
Casing and damper blade made of galvanized steel
Tightness classification of shut-off damper: EN 1751, Class 4 (PTS/A model)
Product models & Accessories
Shut-off, adjustment, balancing or control damper
Adjustment, balancing or control damper
Adjustment, balancing or control damper with perforated blade
Several actuator options