Constant flow damper with electric motor for switching between two flows. DA2EU is a constant flow damper, which facilitates balancing of ventilation systems and gives correct flow from the start. The
unit compensates e.g. connection and disconnection of system parts,
clogging of filters and ducts, thermal lift forces, wind effects, window
opening etc.
The motors shall be completed with a switch. The switch
can in turn be controlled either manually with timer, with
on/off-thermostat, with attendance transmitter or similar.
Ø 80–315 fullfills pressure class A in closed position.
Fulfils tightness class C.