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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. 90° Bends (Ref: B90)
2. Suspension Rings with EPDM Rubber (Ref: RSUR)
3. Self-Drilling Screw Adapter (Ref: SCR4.2/13)
100 dia Non-return (Backdraft) Damper

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




£4.23 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Hose clips - Bundle of 10 (Ref: HC10)
2. 125mm dia Ball Jet Diffusers (Ref: KHA125)
3. 125mm Male Couplers with Seals (Ref: NPL125)
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. 150mm Dia Inline Duct Fan (Ref: DV150)
2. Fume Extraction Hood Length 600 Depth 400 (Ref: EXH600-400)
3. 250mm x 250mm Side Entry Grille Box (Ref: GBSE250-250)
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. 250mm x 150mm Curved Access Doors to Suit 200mm dia Duct (Ref: ACC250-150-200)
2. Foil Plain Flexible Ducting (Ref: AF)
3. 75mm Width Cold Shrink Tape Roll (Ref: ASB7075)
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. 90° Bends (Ref: B90)
2. Cap Ends (Ref: EF)
3. 250 dia Female Flanged Spigots (Ref: ILF250)
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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