Spiral Round Duct

Our Services

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Contact Us​

+64 274 187 770

Phone Number

Unit F, 167 Wordsworth Street, Sydenham, Christchurch 8023

Office Address

Our range of spiral duct and fittings are used primarily for HVAC applications and are typically made from 0.6mm – 1.2mm gauge galvanized steel, 25mm or 50mm double wall insulated options and up to 3m lengths.

Material

  • Galvanized Steel
  • Stainless Steel
  • Aluminium

Size

  • Diameter – Ø100mm – Ø1200mm

Note:- The Smaller Ø cannot be made with Thick material

Applications

  • Spiral Ducting is available as plain, thermally Insulated.
  • Mechanical Ventilation.
  • Tunnel ventilation.
  • Dust and Fume Extractions.

Spiro Round Duct Fittings

QDS Spiral Duct produces round fittings and accessories to match all diameters of the round spiral ducts. Joints can be either spot welded and sealed, gore locker seam or fully welded to suit your specification.
Joining to straight sections can be made by standard Male or Female slip joint. These can be supplied directly to you or fitted in our factory.

We stock the following fittings for your convenience:
Rubber sealed fittings – dampers – spigots – bends – branches – transitions – end caps – reducers – access panels – half hangers – full hangers – 2 bolt band hangers.