280mm Ø

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200mm Saddles

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.

£10.07 (Excl. VAT)
224mm Saddles

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.

£35.35 (Excl. VAT)
250mm Saddles

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.

£17.18 (Excl. VAT)
280mm Reducers

280mm Reducers for Metal Ducting

  • Reduce from 280mm Diameter to 125mm, 150mm, 160mm, 180mm, 200mm, 224mm & 250mm
  • Galvanised metal reducer.
  • Male spigots on each end.
£37.20 (Excl. VAT)
280mm Saddles

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.

£35.35 (Excl. VAT)
30 Degree Bends

30 Degree mild steel bend for duct

  • 80-200mm diameter bends are pressed.
  • 224mm diameter are segmented bends.
  • Manufactured in accordance with DW144 specifications.
£8.66£77.19 (Excl. VAT)
300mm Reducers for Spiral Ductwork

300mm Reducers for Metal Ducting

  • Reduce from 300mm Diameter to 125mm, 150mm, 160mm, 180mm, 200mm, 224mm, 250mm & 280mm
  • Galvanised metal reducer.
  • Male spigots on each end.
£24.16£44.43 (Excl. VAT)
315mm Reducers

315mm Reducers for Metal Ducting

  • Reduce from 315mm Diameter to 150mm, 160mm, 180mm, 200mm, 224mm, 250mm, 280mm & 300mm
  • Galvanised metal reducer.
  • Male spigots on each end.
£25.03£44.43 (Excl. VAT)
355mm Reducers

355mm Reducers for Metal Ducting

  • Reduce from 355mm Diameter to 150mm, 180mm, 200mm, 224mm, 250mm, 280mm, 300mm & 315mm
  • Galvanised metal reducer.
  • Male spigots on each end.
£47.26£51.99 (Excl. VAT)
Spiral Duct -3m

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.

£24.01£526.66 (Excl. VAT)
Depending on Location, addtional delivery charges may be required on this particular product.
45 Degree Bends

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.
£6.45£458.49 (Excl. VAT)
Flanged Spigot (IL) for Circular Spiral DuctingA flanged spigot is ideal for branching off rectangular ductwork as it can be fixed …£2.92£34.11 (Excl. VAT)
Galvanised Flat Shoes

Flat shoes to suit a range of circular duct diameters.

£18.33£176.00 (Excl. VAT)
60 Degree Bends

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.
£11.63£162.41 (Excl. VAT)
90 Degree Bends

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.
£8.35£734.76 (Excl. VAT)
Duct Suspension Rings (Rubber Lined) - Centre Nut M08/M10

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
£3.95£15.59 (Excl. VAT)
Female Couplers

Female Coupler

  • Use for joining spiral fittings such as 2x 45 degree bends together.
  • Galvanised steel female collar.
£2.87£38.58 (Excl. VAT)
Male Couplers
  • Allows two lengths of spiral tube ducting of the same diameter to be connected together.
  • Galvanised steel male collar.
£2.87£43.07 (Excl. VAT)
Shallow End CapsA shallow end cap is used as a termination point for spiral circular ducting. For …£3.03£106.24 (Excl. VAT)
Roof Cowls

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.
£50.02£231.53 (Excl. VAT)
Spilt rings for Circular Spiral Ducting

Duct Split Rings

  • 80mm – 1000mm spiral suspension rings.
  • Easy install.
  • Use 1 pair every 2-3m.
£3.95£33.46 (Excl. VAT)
Blast Gate Damper£39.10£532.31 (Excl. VAT)
Spiral Access Doors

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.
£11.98£32.49 (Excl. VAT)
Circular Fire Damper with Drywall Flange

Circular Fire Damper with Drywall Flange

  • Stocked sizes are shown.
  • Other diameters are available with fast lead times.
£66.50£103.17 (Excl. VAT)
Circular Fire Damper with Frame

Circular Fire Damper with Frame

  • Stocked sizes are shown.
  • Other diameters are available with fast lead times.
£66.50£119.65 (Excl. VAT)
Iris Dampers

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.
£46.49£392.95 (Excl. VAT)
Multi Blade Volume Control Damper (Circular Spigot)£42.13£98.89 (Excl. VAT)
Single Blade Balancing Damper£19.04£57.09 (Excl. VAT)