A C Whalan Composites have over 25 years experience in the Ventilation game. We manufacture and supply a wide range of both positive & negative ventilation products.Light weight FRP FRAS, Flexi-duct, Brattice & Vent Bag.

MAXIFLOW ACW226 Ventilation Ducting is undoubtedly the market leader when it comes to underground mining & tunnelling ventilation, it offers:

  • High Quality DPI FRAS approval & certification (copies available upon request).
  • Longer life due to high impact resistance Corrosion resistant in harsh environments.
  • Lightweight and high strength to meet the needs of high capacity fans & long runs. (Up to 30% lighter & 25% stronger than other standard FRP products).
  • Lowest resistance compared to other materials, typically a K factor of 0.0025.
  • Virtually nil leakage when used with Rubber jointing bands, standard and velcro available in various widths.
  • Greater visibility improves safety and product life.
  • Carrying and lifting handles standard.
  • Ongoing product development for long term benefits to mining companies.
  • Extra end reinforcement for longer life, damage protection and a safer product, minimising the risk of Hand Injuries.
  • Maxiflow ACW226 Vent is tested so you are assured it will perform to your expectation whilst in operation.


Ventilation Fittings

AC Whalan Composites produce a large and varied range of standard & specialised fittings to suit all ventilation applications from standard 45 & 90 deg bends, equal & offset tee's, end cap flow regulators, butterfly & dampener valves, adaptors, oval tubes, slider tubes & flexible ducting. Specialised fittings can be manufactured to suit those out of the spec situations upon request.

Repairs & Modifications

Do you have an existing fibre glass product in need of repair or modification? If so contact our office today to discuss your needs, if we can’t help we will refer you to someone who can.