Shut-off damper with a pre-assembledmotor shelf.

The damper consists of a DTU damper with a pre-assembled motor shelf.
It is designed to have a motor added on site.

The damper is equipped with a long damper shaft to be prepared to fit different types of motors, it has no knob for manual adjustment of the damper blade.

There is a separate assembly, measuring, balancing and maintenance instruction for this product.

Ø 80–315 fulfils pressure class C in closed position.

Ø 400–500 fulfils pressure class B in closed position.

Motorizing

Important when choosing the motor is that it has enough torque to open and close the damper blade, see minimum needed torque in the table (M Nm).

The motor shelf is provided with suitable fixing holes for Belimo´s LM and NM motors.

The dampers DRU and DSU can also be ordered with pre-assembled motor shelf.