21 produits correspondant
Non-return valve
ANTI-RETURN VALVE for ventilation ducts find all the diameters of anti return air dampers in 100mm, 125mm, 150mm, 160mm, 200mm, 254mm, 315mm, metal or plastic anti return air dampers according to your choice and your different needs
ANTI-RETURN VALVE for ventilation ducts find all the diameters of anti return air dampers in 100mm, 125mm, 150mm, 160mm, 200mm, 254mm, 315mm, metal or plastic anti return air dampers according to your choice and your different needs
what's the purpose of a non-return damper? For example, you'd install this duct connector at a defined inlet with the air extractor on the other side, which will send the air in and open the damper, and when the extractor stops, the non-return damper will close in turn to stop the flow of incoming air.
What type of non-return dampers are there? There are different types of PVC non-return dampers suitable for rectangular or round PVC ventilation ducts, metal or aluminum dampers, dampers with an internal seal to ensure a perfect seal when closed, to prevent any air from entering the space.
