DTHUShut-off damper with motor shelf

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, measurement, balancing and maintenance instructions for this product.

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

Ø 355–630 fulfils pressure class B in closed position.

Ø 710–1000 fulfils pressure class A 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).
On dimensions Ø 80–630 the motor shelf is provided with suitable fixing holes for Belimo´s LM, NM, SM, NF and AF motors.

On dimensions Ø 710–1000 the motor shelf is prepared for Belimo´s GM motors, dimensions Ø 900 and 1000 has two motors shelfs because they need two motors to has enough torque.
The dimensions Ø 710 and 800 can also Belimo´s EF motor be used.

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