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315mm dia Large Format Circular Diffuser - Silver/Grey

315mm dia Large Format Circular Diffuser - Silver/Grey

150 dia Plastic Supply/Exhaust Valves

150 dia Plastic Supply/Exhaust Valves

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

Circular Roof Cravat

Circular Roof Cravat

Ductwrap - Isover ClimCover Alu2 25mm 18m Roll

Ductwrap - Isover ClimCover Alu2 25mm 18m Roll

Please note that linear bar grilles manufactured to order may take longer than advertised due to - what we hope is - a temporary material shortage. Lead time is currently around 2-3 weeks. We apologise for any inconvenience this may cause. All other grilles and louvres are unaffected.

In Duct Non-return (backdraft) Dampers

Ventilation Ducting | Dampers & Access Doors | Non-return Dampers | In Duct Non-return (backdraft) Dampers

In Duct Non return dampers with seals

Non-return dampers have traditionally been installed between two lengths of duct, rather like a coupler: new in duct dampers can be inserted directly, simplifying installation.

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 In Duct Non-return Damper with Seals
DAOSL-IN-100

Data sheet...

OUT OF STOCK

£8.03 (Excluding VAT at 20%)

Quantity:

People who bought this item also bought:

1. Hose clips - Bundle of 10 (Ref: HC10)

2. 100 dia Stainless Steel Supply/Exhaust Valves (Ref: KCN100)

3. 100mm Male Couplers with Seals (Ref: NPL100)

100 dia In Duct Non-return Damper with Seals

125 dia In Duct Non-return Damper with Seals
DAOSL-IN-125

Data sheet...

OUT OF STOCK

£8.03 (Excluding VAT at 20%)

Quantity:

People who bought this item also bought:

1. Hose clips - Bundle of 10 (Ref: HC10)

2. Linear Bar Grille - 200 Width (Ref: LBG200)

3. 125mm Male Couplers with Seals (Ref: NPL125)

125 dia In Duct Non-return Damper with Seals

150 dia In Duct Non-return Damper with Seals
DAOSL-IN-150

Data sheet...

OUT OF STOCK

£8.07 (Excluding VAT at 20%)

Quantity:

People who bought this item also bought:

1. Spiral Tube - 3m Lengths (Ref: SR)

2. Female Couplers (Ref: MF)

3. 150 dia 90° Pressed Bends with Seals (Ref: BPL90-150)

150 dia In Duct Non-return Damper with Seals

200 dia In Duct Non-return Damper with Seals
DAOSL-IN-200

Data sheet...

OUT OF STOCK

£11.06 (Excluding VAT at 20%)

Quantity:

People who bought this item also bought:

1. Suspension Rings (Ref: SUR)

2. Suspension Rings with EPDM Rubber (Ref: RSUR)

3. Spiral Tube - 3m Lengths (Ref: SR)

200 dia In Duct Non-return Damper with Seals

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