Non-return dampers
Air duct non-return dampers are used to prevent the backflow of air through the ductwork. The non-return dampers in this category are available in several shapes and with a choice of functions - butterfly non-return dampers against air backflow, butterfly tight dampers against air backflow and unwanted fumes, odor-proof non-return dampers, non-return dampers with insect screens, single and double leaf air duct non-return dampers.
Variants of vapournon-return dampers for fume cupboards, small centrifugal 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: Non-return dampers – which one is suitable?
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