Opposed blade air damper is use for square diffuser and air grilles .It constructed by an opposed blade damper and an electromotor.
Material: High quality extruded aluminium profile.
OBD-VA used as damper for square diffuser. OBD-VB used as damper for grilles.
OBD-VA has accurate gear wheel control. OBD-VB has mechanical control operated by screw drive
Geerwheel Control Opposed Blades Damper