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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




£3.55 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Spiral Tube - 3m Lengths (Ref: SR)
2. Suspension Rings with EPDM Rubber (Ref: RSUR)
3. Female Couplers (Ref: MF)
100 dia Non-return (Backdraft) Damper
125 dia Non-return (Backdraft) Damper
BDS-125




£4.23 (Excluding VAT at 20%)




Quantity:


125 dia Non-return (Backdraft) Damper
150 dia Non-return (Backdraft) Damper
BDS-150




£4.45 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Hose clips - Bundle of 10 (Ref: HC10)
2. 150mm dia Flanged Spigot with Seal (Ref: ILS150)
3. Female Couplers (Ref: MF)
150 dia Non-return (Backdraft) Damper
160 dia Non-return (Backdraft) Damper
BDS-160




£5.20 (Excluding VAT at 20%)




Quantity:


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




£5.85 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. 45° Bends (Ref: B45)
2. Hose Clips (Ref: HC)
3. Female Couplers (Ref: MF)
200 dia Non-return (Backdraft) Damper
250 dia Non-return (Backdraft) Damper
BDS-250




£10.05 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. 250mm Dia Plate Mounted Axial Fan - Single Phase (Ref: HCBB/4-250/H)
2. 250 dia Female Flanged Spigots (Ref: ILF250)
3. 250 dia Circular Louvre with Insect Mesh (Ref: USAV250)
250 dia Non-return (Backdraft) Damper
315 dia Non-return (Backdraft) Damper
BDS-315




£15.00 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Spiral Tube - 3m Lengths (Ref: SR)
2. Split Ring Supports (Ref: SPR)
3. Cap Ends - Male (Ref: EP)
315 dia Non-return (Backdraft) Damper
355 dia Non-return (Backdraft) Damper
BDS-355




£20.35 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. Split Ring Supports (Ref: SPR)
2. Spiral Tube - 3m Lengths (Ref: SR)
3. Cap Ends - Male (Ref: EP)
355 dia Non-return (Backdraft) Damper
400 dia Non-return (Backdraft) Damper
BDS-400




£27.14 (Excluding VAT at 20%)




Quantity:


400 dia Non-return (Backdraft) Damper
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