Nuclear – Energy

SPIRAGAINE is recognized as a major player in the nuclear field, in France as well as internationally, thanks to our know-how and expertise.

We support all French nuclear power plants, as well as their service providers, in order to meet all types of technical ventilation applications with a wide range of dedicated products

Deux gaines bleues dans une centrale nucléaire

Depressant sheath

Une gaine jaune avec des raccords zag

MEDCP duct

Deux gaines bleues dans une centrale nucléaire

MEDGV duct

Examples of applications :

  • Depression of the primary circuit (MED CP duct)
  • Depression of the SAS GV (MED GV duct)
  • Depression of airlocks (Depressurizing sheath)
  • Polar bridge ventilation
  • Drying of GV before inspection
  • Ventilation of confined areas (tanks, rooms, SAS)
  • Filtration
  • Hot air supply
  • Dusting
Une gaine bleu dans une centrale nucléaire

Ventilation duct on site

Corresponding product family :

We have a wide range of standard or custom-made products in compliance with the PMUC standard in order to meet the different applications encountered in the nuclear field.
We also have a range of portable fan “VENTILAIR”, allowing the extraction of welding fumes, stale air,… and ventilation of airlocks, addition of fresh air in confined places.

Ils nous font confiance :

Le logo d'EDF
Le logo d'Orano
Le logo d'Onet
Le logo de SPIE

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 :