BAAS: Secure Products for Industry
Back flow dampers
Shut-off dampers are designed to ensure minimum leakage through ductwork by automatic closing if loss of compressed air or during power failure.
Automatic shut-off dampers are normally operated by pneumatic fail safe actuators, where the damper status is either fully open or fully closed. Shut-off dampers can also be delivered manually operated.
Prevents backflow in ducts
Consists of one or more blades
Adjustable pressure drop with counterweights