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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

Due to a high volume of orders there will be a one week delay in all custom manufactured ductwork. This includes all rectangular ductwork, grille boxes, and fabricated round fittings. This does not affect our stock items. We apologise for any inconvenience may cause.

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. Male Couplers (Ref: NP)
3. 100mm Male Couplers with Seals (Ref: NPL100)
100 dia Non-return (Backdraft) Damper

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




4.11 (Excluding VAT at 20%)





Quantity:


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. 200 dia Non-return (Backdraft) Damper (Ref: BDS-200)
3. Flanged Spigots (Ref: IL)
150 dia Non-return (Backdraft) Damper

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




5.04 (Excluding VAT at 20%)





Quantity:



People who bought this item also bought:
1. 500x250 Mesh Grease Filters 25mm (Ref: AGMB25-500-250)
2. DEC Sonodec Acoustic Flexible Duct 160mm dia (Ref: CLDS-160)
3. 160mm Mixed Flow Inline Duct Fan (Ref: DV-PP-160-560)
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. 90° Bends (Ref: B90)
2. 150 dia Non-return (Backdraft) Damper (Ref: BDS-150)
3. Flanged Spigots (Ref: IL)
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. Female Couplers (Ref: MF)
2. Spigot Plates - Fabricated (Ref: SPGF)
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. Spiral Tube - 3m Lengths (Ref: SR)
2. Suspension Rings with EPDM Rubber (Ref: RSUR)
3. 250 dia In Duct Non-return Damper with Seals (Ref: DAOSL-IN-250)
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. Suspension Rings with EPDM Rubber (Ref: RSUR)
2. Tecseal 100FR 380cc Cartridge (Ref: 100FR380)
3. 90° Bends (Ref: B90)
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. 75mm Width Cold Shrink Tape Roll (Ref: ASB7075)
400 dia Non-return (Backdraft) Damper

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