Fire damper lindab | fire dampers WKS25 Technical data Installation within vertical light wall (Shaft wall). EI 90 S Installation within vertical light wall (Shaft wall) Wall minimum thickness 90 mm Plasterboard sealing ve (i ↔ o) EI 90 S (300 Pa) Dry sealing method a×b min 100×200 max 800×600 EI 60 S (300 Pa) a×b min 100×200 max 800×600 Flexible wall a×b nominal dimensions of damper ve vertical installation ho horizontal installation (i ↔ o) origin of fire is irrelevant Pa negative pressure E integrity I thermal insulation S smoke seal For more detailed information visit: http://www.mp3-italia.it The fire resistance classifications refer to the conditions obtained by rigorously applying the instructions indicated in the Techni- cal Manual, with reference both to the construction of the wall/ceiling and the installation of the damper. We reserve the right to make changes without prior notice 3
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