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Non-return (backdraft) Dampers with Seals

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



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. These dampers feature seals and rolled edges.

100 dia Non-return Damper with Seals
DAOSL-100




8.03 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Air Exhaust Valves (Ref: BKU)
2. Female Couplers - Stainless Steel (Ref: MSF-K)
3. Male Couplers - Stainless Steel (Ref: NS-K)
100 dia Non-return Damper with Seals

125 dia Non-return Damper with Seals
DAOSL-125




8.03 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. 125 dia Stainless Steel Cowls with Mesh (Ref: USLA125)
125 dia Non-return Damper with Seals

150 dia Non-return Damper with Seals
DAOSL-150




8.07 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Spiral Tube - 3m Lengths (Ref: SR)
2. 75mm Width Cold Shrink Tape Roll (Ref: ASB7075)
3. Male Couplers (Ref: NP)
150 dia Non-return Damper with Seals

160 dia Non-return Damper with Seals
DAOSL-160




8.77 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Air Exhaust Valves (Ref: BKU)
2. Acoustic Foam 2x1m Sheets - 6mm - Class O (Ref: CC400-VAF-S-6)
3. 160 dia DEC PVC Coated Fabric Flexible Ducting (Ref: CLDG160)
160 dia Non-return Damper with Seals

200 dia Non-return Damper with Seals
DAOSL-200




11.06 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. 90° Bends (Ref: B90)
2. 250x250 Aluminium Weather Louvre (Ref: BWL250)
3. 150 dia Non-return Damper with Seals (Ref: DAOSL-150)
200 dia Non-return Damper with Seals

250 dia Non-return Damper with Seals
DAOSL-250




16.98 (Excluding VAT at 20%)





Quantity:


250 dia Non-return Damper with Seals

315 dia Non-return Damper with Seals
DAOSL-315




28.87 (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. Tecseal 100FR 380cc Cartridge (Ref: 100FR380)
315 dia Non-return Damper with Seals

355 dia Non-return Damper with Seals
DAOSL-355




29.36 (Excluding VAT at 20%)





Quantity:


355 dia Non-return Damper with Seals

400 dia Non-return Damper with Seals
DAOSL-400




45.81 (Excluding VAT at 20%)





Quantity:


400 dia Non-return Damper with Seals

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