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315mm dia Large Format Circular Diffuser - Silver/Grey

315mm dia Large Format Circular Diffuser - Silver/Grey

DV-PP SILENT Mixed Flow Fan 150

DV-PP SILENT Mixed Flow Fan 150

2mm Wire Rope 150m Reel

2mm Wire Rope 150m Reel

Wires with Carabina 2mm x 2m - Pack of 10

Wires with Carabina 2mm x 2m - Pack of 10

400mm Dia Plate Mounted Axial Fan - Single Phase

400mm Dia Plate Mounted Axial Fan - Single Phase

Ductwrap - Isover ClimCover Alu2 25mm 18m Roll

Ductwrap - Isover ClimCover Alu2 25mm 18m Roll

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 Duct 1.5m Lengths (Ref: SRH)
2. Suspension Rings with EPDM Rubber (Ref: RSUR)
3. Spiral Tube - 3m Lengths (Ref: SR)
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. Female Couplers (Ref: MF)
2. Flanged Spigots (Ref: IL)
3. Spiral Tube - 3m Lengths (Ref: SR)
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. Hose clips - Bundle of 10 (Ref: HC10)
3. Spiral Tube - 3m Lengths (Ref: SR)
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. 315mm Diameter Reducer (Ref: RC315)
3. Multileaf Volume Control Damper 500mm Width (Ref: MVCD500)
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. Suspension Rings (Ref: SUR)
2. 250mm x 150mm Curved Access Doors to Suit 200mm dia Duct (Ref: ACC250-150-200)
3. 250mm x 150mm Curved Access Doors to Suit 250mm dia Duct (Ref: ACC250-150-250)
250 dia Non-return (Backdraft) Damper
315 dia Non-return (Backdraft) Damper
BDS-315




£14.56 (Excluding VAT at 20%)




Quantity:



People who bought this item also bought:
1. 45° Bends (Ref: B45)
2. 90° Bends (Ref: B90)
3. Meshed Beak Wall Assembly (Ref: BKA)
315 dia Non-return (Backdraft) Damper
355 dia Non-return (Backdraft) Damper
BDS-355




£19.74 (Excluding VAT at 20%)




Quantity:


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. 200mm Male Cap End with Seal (Ref: CSL200)
2. Hose Clips (Ref: HC)
3. Flanged Spigots (Ref: IL)
400 dia Non-return (Backdraft) Damper
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