Clapets anti-retour
Air duct check dampers are used to prevent the backflow of air through the ductwork. Check dampers in this category are available in several shapes and with a choice of functions - butterfly check dampers against air backflow, butterfly tight dampers against air backflow and unwanted fumes, odor-proof check dampers, check dampers with insect screens, single and double leaf air duct check dampers.
Variants of vapour check dampers for fume cupboards, small radial fans or diagonal ducted fans:
- RSKW : 100 mm, 125 mm, 160 mm
- KPK: 80 mm, 100 mm, 110 mm, 120 mm, 125 mm, 150 mm, 160 mm, 200 mm
- KPK2 (double leaf) : 80 mm, 100 mm, 110 mm, 120 mm, 125 mm, 150 mm, 160 mm, 200 mm
Variants of tight check dampers for small axial fans or bathroom fans:
- KZK: 80 mm, 100 mm, 120 mm, 125 mm, 150 mm, 160 mm, 200 mm
- KZK-S (with mowquito net) : 80 mm, 100 mm, 120 mm, 125 mm, 150 mm, 160 mm
- KZK2 (double leaf) : 80 mm, 100 mm, 120 mm, 125 mm, 150 mm, 160 mm
- KZK2-S (double leaf + mosquito net) : 80 mm, 100 mm, 120 mm, 125 mm, 150 mm, 160 mm
We have written a detailed guide on how to select the right check damper according to the pipe:
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