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315mm dia Large Format Circular Diffuser - Silver/Grey

315mm dia Large Format Circular Diffuser - Silver/Grey

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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




3.45 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Spiral Tube - 3m Lengths (Ref: SR)
2. 90° Bends (Ref: B90)
3. Suspension Rings with EPDM Rubber (Ref: RSUR)
100 dia Non-return (Backdraft) Damper

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




4.11 (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. Damper Units - Closing (Ref: DAT)
125 dia Non-return (Backdraft) Damper

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




4.32 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. 90° Bends (Ref: B90)
2. Spiral Tube - 3m Lengths (Ref: SR)
3. 150mm Diameter T Piece (Ref: TCP150)
150 dia Non-return (Backdraft) Damper

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




5.04 (Excluding VAT at 20%)





Quantity:


160 dia Non-return (Backdraft) Damper

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




5.67 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Hose Clips (Ref: HC)
2. Lindab Safe Male Couplers (Ref: NPU)
3. Spiral Tube - 3m Lengths (Ref: SR)
200 dia Non-return (Backdraft) Damper

250 dia Non-return (Backdraft) Damper
BDS-250




9.75 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Spiral Tube - 3m Lengths (Ref: SR)
2. 90° Bends (Ref: B90)
3. Male Couplers (Ref: NP)
250 dia Non-return (Backdraft) Damper

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




14.56 (Excluding VAT at 20%)





Quantity:


315 dia Non-return (Backdraft) Damper

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




19.74 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. 350x350 Aluminium Weather Louvre (Ref: BWL350)
2. Filter Boxes (Ref: FILB)
355 dia Non-return (Backdraft) Damper

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




26.32 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. 30° Bends (Ref: B30)
2. 400 dia Jet Cowl (Ref: HAN400)
3. Flanged Spigots (Ref: IL)
400 dia Non-return (Backdraft) Damper

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