Damper

· Attaching on diffusers and registers

· Damper blades move simultaneously in opposite direction

· Screw driver operated

· Manufactured from heavy gauge sheet steel

· Standard finish is black backed enamel

Non-return Damper (NRD)

· Excellent backdraft protection with low leakage

· With flanged ends, 32mm width as standard

· Air operated, low pressure required

Duct type volume control dampers (VCD)

· Low leakage and low pressure drop

· Choice of parallel or opposed blades action

· With flanged ends, 32mm width as standard

· Hand quadrant is provided for manual control

· Suitable for automatic control by electrical actuator

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