Product main features

• Shut-off and balancing damper for outdoor air intake and exhaust air with opposed blade design
• Damper blades comprise thermal insulation
• Tightness in closed position fulfills EN 1751 class 4 requirements
• Temperature operation range up to +100°C, optionally up to +200°C
• Galvanized steel design Classification of casing leakage EN 1751 class B