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Non-return (backdraft) Dampers

Ventilation Ducting  | Dampers & Access Doors | Non-return Dampers |  Non-return (backdraft) Dampers



Lightweight aluminium blades on a light steel spring maintain the damper in the closed position when no air is flowing, preventing wind/drafts from flowing back through the duct.

100 dia Non-return (Backdraft) Damper
BDS-100




£3.58 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Foil Plain Flexible Ducting (Ref: AF)
2. 15° Bends (Ref: B15)
3. 45° Bends (Ref: B45)
100 dia Non-return (Backdraft) Damper
125 dia Non-return (Backdraft) Damper
BDS-125




£4.26 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Acoustic Foam 2x1m Sheets - 6mm - Class O (Ref: CC400-VAF-S-6)
2. 125 dia Attenuator 300mm Long (Ref: SIL50-300-125)
125 dia Non-return (Backdraft) Damper
150 dia Non-return (Backdraft) Damper
BDS-150




£4.49 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Hose Clips (Ref: HC)
2. 150mm dia Circular Roof Cowl (Ref: VHK150)
3. Wall Supports - Vertical Ducts - 80 to 250mm dia (Ref: VWBS)
150 dia Non-return (Backdraft) Damper
160 dia Non-return (Backdraft) Damper
BDS-160




£5.24 (Excluding VAT at 20%)




Quantity:


160 dia Non-return (Backdraft) Damper
200 dia Non-return (Backdraft) Damper
BDS-200




£5.90 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Fast Clamps (Ref: FC)
2. Adhesive Gasket Tape (Ref: GSKT)
3. Hose Clips (Ref: HC)
200 dia Non-return (Backdraft) Damper
250 dia Non-return (Backdraft) Damper
BDS-250




£10.14 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. 300mm Custom Reducer (Ref: CRC300)
2. 250mm Dia Inline Duct Fan (Ref: DV250)
3. 315mm Dia Inline Duct Fan (Ref: DV315)
250 dia Non-return (Backdraft) Damper
315 dia Non-return (Backdraft) Damper
BDS-315




£15.12 (Excluding VAT at 20%)




Quantity:


315 dia Non-return (Backdraft) Damper
355 dia Non-return (Backdraft) Damper
BDS-355




£20.53 (Excluding VAT at 20%)




Quantity:


355 dia Non-return (Backdraft) Damper
400 dia Non-return (Backdraft) Damper
BDS-400




£27.38 (Excluding VAT at 20%)




Quantity:


400 dia Non-return (Backdraft) Damper
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