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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. Suspension Rings (Ref: SUR)
2. Spiral Tube - 3m Lengths (Ref: SR)
3. 100 dia 90° T Piece with Seals - 80mm Branch (Ref: TCPL100-80)
100 dia Non-return Damper with Seals

125 dia Non-return Damper with Seals
DAOSL-125




8.03 (Excluding VAT at 20%)





Quantity:


125 dia Non-return Damper with Seals

150 dia Non-return Damper with Seals
DAOSL-150




8.07 (Excluding VAT at 20%)





Quantity:


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. 45° Bends (Ref: B45)
2. Suspension Rings (Ref: SUR)
3. 40x20mm Support Channel 3m length - Light (Ref: TSS4213)
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. 200 dia 90° Pressed Bends with Seals (Ref: BPL90-200)
2. 200 dia Jet Cowl (Ref: HAN200)
3. Hose clips - Bundle of 10 (Ref: HC10)
200 dia Non-return Damper with Seals

250 dia Non-return Damper with Seals
DAOSL-250




16.98 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. DEC Isodec Insulated Flexible Duct 250mm dia (Ref: CLDI-250)
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. 90° Bends (Ref: B90)
2. Hose clips - Bundle of 10 (Ref: HC10)
3. Female Couplers (Ref: MF)
315 dia Non-return Damper with Seals

355 dia Non-return Damper with Seals
DAOSL-355




29.36 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. 355 dia 90° Segmented Bends with Seals (Ref: BSL90-355)
2. Female Couplers (Ref: MF)
3. Male Couplers (Ref: NP)
355 dia Non-return Damper with Seals

400 dia Non-return Damper with Seals
DAOSL-400




45.81 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. Filter Boxes (Ref: FILB)
2. 400mm dia Fan Flanges (Ref: LFLAN-400)
3. 400mm Dia Compact Cased Axial Fan - Single Phase (Ref: TCBB/4-400/H)
400 dia Non-return Damper with Seals

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