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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. Air Exhaust Valves (Ref: BKU)
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. 125mm dia Stainless Steel Bird Beak - Horizontal Ducts (Ref: ASV-K-125)
2. Meshed Beak (Ref: BK)
3. 90° Bends - Stainless Steel 125mm dia (Ref: BSK-K-90-125)
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. Spiral Tube - 3m Lengths (Ref: SR)
2. Suspension Rings with EPDM Rubber (Ref: RSUR)
3. 150mm Diameter Reducer (Ref: RC150)
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. Aluminium Foil Duct Tape (Ref: AFT)
2. 90° Bends (Ref: B90)
3. Circular Spigot Plates (Ref: CSPG)
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. 90° Bends (Ref: B90)
2. Spiral Tube - 3m Lengths (Ref: SR)
3. Flat Shoes (Ref: TBSF)
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. 30° Bends (Ref: B30)
2. 45° Bends (Ref: B45)
3. Filter Cassettes for Rectangular Duct (Ref: FILC)
355 dia Non-return (Backdraft) Damper

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




£26.32 (Excluding VAT at 20%)





Quantity:


400 dia Non-return (Backdraft) Damper

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