• For adjusting the air flow in all kinds of ventilation and air conditioning devices and cutting off the flow in ventilation ducts.

• For installation in air handling units and rectangular ventilation ducts.

• Damper opening control can be carried out either manually or by means of an electric actuator.

Special features

The STAR III version has a patented, two-component sealing system for the damper frame, it is also equipped with special design gaskets at the top of the blades for even better sealing of the damper. In addition, it has been equipped with a unique system to reduce the play between gear teeth, which occurs in case of larger dampers.

Dampers with a bypass are also manufactured in a version that allows the actuator to be mounted from the inside of the damper.

Basic information


• a = 3000 mm max

• b = 2500 mm max

• c = 115 mm

Dampers types:

• Type P - damper installed below the actuator

• Type R - dampers with a manual mechanism

Example of order markings:

Multi-blade damper STAR III 630 (width) x 630 (height) - P (type)

Temperature range of operation (continuous operation):

max 80°C

Tightness class 3 according to EN1751

Technical specification