WFK fire protection flap

• According to DIN EN 15650
• For installation in ventilation systems in any air direction in accordance with DIN 1946-6
• For installation on or under the ceiling or in the wall
• Hinge release, corrosion-free metallic adjusting lock released by two stainless steel double torsion springs
• Free ventilation cross-section
• No inspection opening required in the floors, maintenance via camera inspection every 5 years
• Fire resistance class as per EN 13501-3
• Solid ceiling EI 120 (ho i<-->o)-S (300 Pa)
• Solid walls EI 90 (ve i<-->o)-S (300 Pa)
• Drywall EI 90 (ve i<-->o)-S (300 Pa)
• Tested according to DIN EN 1366-2
• Not approved for Switzerland

• Type WFK fire protection dampers should not be installed in ventilation systems that are subject to mandatory testing in accordance with the testing regulations of the state in which they are to be installed