Galvanized steel ventilation damper AK

galvanized steel ventilation damper
galvanized steel ventilation damper
galvanized steel ventilation damper
galvanized steel ventilation damper
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Characteristics

Material
galvanized steel

Description

FOR LOW-LEAKAGE SHUT-OFF Circular shut-off dampers for shutting off volume flows in ventilation ducts of air conditioning systems Maintenance-free damper blade mechanism Closed blade air leakage to EN 1751, up to class 4 Casing air leakage to EN 1751, class C Optional equipment and accessories Electric actuator Spring return actuator Pneumatic actuator Auxiliary switch with adjustable switching points for capturing the end positions Circular shut-off dampers for shutting off or restricting the airflow in ventilation ducts of air conditioning systems, for supply air or extract air, available in 7 nominal sizes Ready-to-install shut-off damper, unit consists of the casing with damper blade. Position of the damper blade indicated externally at the shaft extension. SPECIAL CHARACTERISTICS - Damper blade can be actuated manually, electrically or pneumatic - Low-leakage shut-off MATERIALS AND SURFACES - Casing, damper blade and shaft made of galvanised sheet steel - Blade seal made of TPE plastic - Plastic bearings CONNECTION TYPE Spigot with groove for lip seal, suitable for connecting ducts according to circular ducts to EN 1506 or EN 13180 TECHNICAL DATA - Flow rate range: 90 - 900 m³/h - Maximum permissible differential pressure: 1500 Pa - Casing air leakage according to EN 1751: Class C - Closed blade air leakage to EN 1751: Class 3
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.