Constant flow damper with electric motor for continuous setting of one flow. DAVU
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 motor
shall be completed with control signal transmitter e.g. an external
potentiometer or a proportionally regulating thermostat.
Ø 80–315 fullfills pressure class A in closed position.
Fulfils tightness class C.