400mm Ø

15 Degree Galvanised Mild Steel Ducting Bends

• Stocked sizes from 80mm – 1000mm diameter.
• 80 – 200mm are pressed bends.
• 224mm upwards are segmented bends.

Saddle for 200mm diameter duct.

Branching onto 200mm, 224-250mm, 280-315mm, 355-400mm & 450-560mm duct.

• AØ and is the size of the duct that the saddle is coming off.
• BØ is the size of the duct that you wish to branch onto.
• Please note: Due to the high turn over of this product flange sizes may vary.

Saddle for 224mm diameter duct.

Branching onto 224mm, 250mm, 300mm, 315mm, 355mm, 400mm, 450mm & 500mm duct.

• AØ and is the size of the duct that the saddle is coming off.
• BØ is the size of the duct that you wish to branch onto.
• 224 saddles are fabricated and has a small flange size than the pressed saddle.
• Please note: Due to the high turn over of this product flange sizes may vary.

Saddle for 250mm diameter duct.

Branching onto 250mm, 280-315mm, 355-450mm & 450-560mm duct.

• AØ and is the size of the duct that the saddle is coming off.
• BØ is the size of the duct that you wish to branch onto.
• Please note: Due to the high turn over of this product flange sizes may vary.

Saddle for 280mm diameter duct.

Branching onto 280mm, 300mm, 315mm, 355mm, 400mm, 450mm,500mm, 560mm, 600mm duct.

• AØ and is the size of the duct that the saddle is coming off.
• BØ is the size of the duct that you wish to branch onto.
• Please note: Due to the high turn over of this product flange sizes may vary.
• 280mm saddles are fabricated and not pressed.

30 Degree mild steel bend for duct

• 80-200mm diameter bends are pressed.
• 224mm diameter are segmented bends.
• Manufactured in accordance with DW144 specifications.

Saddle for 300mm diameter duct.

Branching onto 300mm, 315mm, 355mm, 400mm, 450mm, 500mm, 560mm & 600mm duct.

• AØ and is the size of the duct that the saddle is coming off.
• BØ is the size of the duct that you wish to branch onto.
• Please note: Due to the high turn over of this product flange sizes may vary.

Saddle for 315mm diameter duct.

Branching onto 315mm, 355mm, 400mm, 450mm, 500mm, 560mm & 600mm duct.

• AØ and is the size of the duct that the saddle is coming off.
• BØ is the size of the duct that you wish to branch onto.
• Please note: Due to the high turn over of this product flange sizes may vary.

Saddle for 355mm diameter duct.

Branching onto 355mm, 400mm, 450mm, 500mm, 560mm & 600mm duct.

• AØ and is the size of the duct that the saddle is coming off.
• BØ is the size of the duct that you wish to branch onto.
• Please note: Due to the high turn over of this product flange sizes may vary.

Please Note: 3m Spiral duct is only available for deliveries into all London boroughs and the South East home counties (Berkshire, Buckinghamshire, Essex, Hertfordshire, Kent, Surrey, and Sussex) .

Contact us for more information for deliveries that are required outside of our normal delivery areas.

Curved boots for 400mm diameter duct.

Branching onto 400mm, 450mm, 500mm, 560mm, 600mm, 630mm, 710mm & 800mm duct.

• AØ and is the size of the duct that the boot is coming off.
• BØ is the size of the duct that you wish to branch onto.

400mm Reducers for Metal Ducting

• Reduce from 400mm Diameter to 150mm, 200mm, 224mm, 250mm, 300mm, 315mm & 355mm
• Galvanised metal reducer.
• Male spigots on each end.

Saddles for 400mm diameter duct.

Branching onto 400mm, 450mm, 500mm, 560mm & 600mm duct.

• AØ and is the size of the duct that the saddle is coming off.
• BØ is the size of the duct that you wish to branch onto.
• Please note: Due to the high turn over of this product flange sizes may vary.

45 degree pressed & segmented steel ventilation bends

• Manufactured from galvanised mild steel in accordance with DW144 specifications.
• 80-200mm bends are pressed.
• 224mm and upwards are segmented bends.
• Next day delivery available.

Flat shoes to suit a range of circular duct diameters.

450mm Reducers for Metal Ducting

• Reduce from 450mm Diameter to 200mm, 250mm, 300mm, 315mm, 355mm & 400mm
• Galvanised metal reducer.
• Male spigots on each end.

500mm Reducers for Metal Ducting

• Reduce from 500mm Diameter to 200mm, 250mm, 300mm, 315mm, 355mm, 400mm & 450mm
• Galvanised metal reducer.
• Male spigots on each end.

560mm Reducers for Metal Ducting

• Reduce from 560mm Diameter to 250mm, 300mm, 315mm, 355mm, 400mm, 450mm & 500mm
• Galvanised metal reducer.
• Male spigots on each end.

60 degree steel ducting bends

• Full range of diameters from 80mm – 600mm.
• 80mm to 200mm are pressed bends.
• 224mm and above are segmented bends.
• Next day delivery available on stocked diameters.

600mm Reducers for Metal Ducting

• Reduce from 600mm Diameter to 250mm, 300mm, 315mm, 355mm, 400mm, 450mm, 500mm & 560mm
• Galvanised metal reducer.
• Male spigots on each end.

630mm Reducers for Metal Ducting

• Reduce from 315mm Diameter to 300mm, 315mm, 355mm, 400mm, 450mm, 500mm, 560mm & 600mm
• Galvanised metal reducer.
• Male spigots on each end.

710mm Reducers for Metal Ducting

• Reduce from 710mm Diameter to 355mm, 400mm, 450mm, 500mm, 560mm & 630mm
• Galvanised metal reducer.
• Male spigots on each end.

800mm Reducers for Metal Ducting

• Reduce from 800mm Diameter to 400mm, 450mm, 500mm, 560mm, 600mm, 630mm & 710mm
• Galvanised metal reducer.
• Male spigots on each end.

90 Degree Mild Steel (Galvanised) Bend for Spiral Duct

• 80mm – 1000mm diameters available.
• Large Stock on all diameters stocked.
• Manufactured in accordance with DW144 specifications.

Single nut suspension ring (M08 & M10 tapped nut)

• Two piece centre boss suspension ring, with M08 & M10 tapped nut.
• For duct diameters >450mm use our split rings

Female Coupler

• Use for joining spiral fittings such as 2x 45 degree bends together.
• Galvanised steel female collar.

• Allows two lengths of spiral tube ducting of the same diameter to be connected together.
• Galvanised steel male collar.

Mesh End Cap for Ventilation Duct

• Constructed with a wildlife mesh to prevent animal ingress
• Galvanised ventilation termination cap with mesh.
• 12.5mm square mesh.

Galvanised mild steel roof cowl

• Full range of extractor fan roof vents 100mm – 150mm diameters & 160mm – 630mm diameters.
• Hand made vent cowls.
• Prevent rain ingress when air is extract through a roof.
• Design incorporates a top hat to prevent rain entering the duct
• Fitted with mesh to stop wildlife entering into the duct termination point.

Duct Split Rings

• 80mm – 1000mm spiral suspension rings.
• Easy install.
• Use 1 pair every 2-3m.

Curved Access Doors

• Easy to install.
• Sizes to suit most diameters of circular duct.
• Provide an airtight seal at inspection points.
• Self adhesive disposable duct hole cut out template
• Installation instructions packaged with each access door.

Circular Fire Damper with Drywall Flange

• Stocked sizes are shown.
• Other diameters are available with fast lead times.

Circular Fire Damper with Frame

• Stocked sizes are shown.
• Other diameters are available with fast lead times.

Iris Dampers for circular ducting are available for diameters ranging from 80mm – 400mm.

• Iris dampers allow for simple and precise flow tests to be measured and controlled at a single station.
• Each Iris Damper has manometer connections allowing direct pressure measurements (if required).
• Airflow, pressure drop, and sound requirements are the criteria to consider when using an Iris damper as part of a ventilation duct system.