Dampers

Instruction : Dampers are manufacturing with single flap / multi louvers. The louvers are connected through suitable linkage to a controlling actuating devices, such as electrical actuator / pneumatic actuator / solenoid valve / pneumatic cylinder / fusible link. Louvers / flap shaft are provided with bearing with greasing facility to enable smooth rotation.
Louvers / flap are made of mild steel / galvanised sheet. The louvers / flap are designed in the form, which can withstand high temperature control in closed position to the flame path between air duct and fire effected area.
The shape of the louvers / flap in somewhat complex in nature for multi fold purpose.
(i) The complex shape reduces the leakage facto considerably.
(ii) Five exposed surfaces are backed up
Positive sealing linkage