Flexible ducts

The flexible ducts that leave our workshops meet the quality standards that have made SPIRAGAINE’s reputation. From the simple flexible connection duct, to the daily handled ducts, we allow you to benefit from our know-how and our expertise for an optimal experience.

Une gaine souple rouge

Silicone ventilation duct

Une gaine verte calorifugée

Insulated duct

Une gaine verte avec un raccord zag et une pince

Smoke extraction duct

Une gaine rouge avec un sac de rangement

Ventilation duct

Une gaine souple noire ATEX

ATEX duct

Une gaine verte avec des œillets de suspension

Bulk loading duct

Une gaine souple noir avec un sangle

Hot air generator duct

Une gaine souple grise pour la climatisation

Air conditioning duct

Une gaine rouge avec un raccord ZAG ATEX

Delivery duct

Une gaine jaune pour aéroport

Sheath for airport PCA

Technical description

Our know-how :
thermo-welded or sewn ducts, insulated or uninsulated, with embedded coil.
We have various materials : Hypalon ®, Neoprene ®, PVC, Nitrile, Polyurethane, Silicone, Natural rubber… allowing us to meet the requirements of pressure, depression, temperature, chemical aggressions, (see table of chemical resistances).

Numerous possible finishes: enlarged or reduced cuff, suspension lug, wear strip, storage bag, connection solution, grounding braid.


Fields of application

  • Ducts used in :
  • industrial ventilation,
  • air conditioning,
  • heating and air conditioning, suction and delivery of air loaded with dust, smoke, vapors
  • Passage of fluid (powder and powder)

Technical specifications

Product with a high robustness. Able to meet technical constraints such as: abrasion, temperature, pressure or depression, chemical aggression, ATEX compliance.

Diameter :  50 mm to 1600 mm
Length : Up to 40 m (diameter and specific length on request)
Temperature : -70 °C to +1 000 °C


  • Fire (M0, M1, M2)
  • Smoke (F0, F1…)
  • Food (FDA, European food directive 1935/2004 of 27 October 2004)
  • NBC
  • ATEX (zone 0, 1, 2 et 20, 21, 22)

You have a project ?
A specification ?

Let’s make together the product adapted to your use

Contact us via the form in the link below :