TYPES OF DAMPERS
Single-Louver Butterfly Damper:
Round or Rectangular type single flapper centrally mounted on single shaft.Various Seat options are available. Actuated by gear Pneumatic or electrical actuators.
Multiple Blades are mounted on multiple shafts. For 100% shutoff, blower air pressure can be applied between two blades.Actuated by manual, pneumatic or electrical actuators.
Small size damper,drive shaft is directly mounted periphery of flapper. In larger size drive shaft is centrally mounted and toggle actuated.