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Fire dampers pairing for big ducts dimensions
1. It is allowed to pair two fire dampers. Maximum paired size: 1645x600, 1245x800, 800x1245.
2. It is forbidden to pair three or more fire dampers.
3. It is forbidden to vertically pair two fire dampers with vertical axis.
Fixing flaps
1. Bend for walls 100 mm thick or higher
2. Bend for walls 70 mm thick or higher
Fire dampers pairing
The patented WKS25 rectangular fire dampers can be paired side-by-
side or vertically (not more than two) using the custom connection
kit (see section Accessories and spare parts) which includes an intu-
mescent gasket to be placed between the two dampers.
The pair of dampers, may be installed in vertical wall in the same way
as a single damper.
