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CDH
Basic features:
» replacement air supply for smoke exhaust and smoke extraction systems
» periodic ventilation function
» additional lighting of protected space
Technical specification:
» wide range of sizes width C = 400 ÷ 2100 mm, height D = 590 ÷ 2900 mm
» validated coefficient of discharge (Aa in accordance with EN 12101-2:2005 Annex B)
» sound reduction in fully closed position R’w = 20 dB
» heat transfer coefficient: 2.5 W/(m2·K)
Advantages:
» high acoustic and thermal performance
» movable blades resistant to corrosion
» light base and easy installation
» electric blades control (electric actuator with return spring
or open/close function)
Air intakes type CDH-K are installed in ZODIC – smoke and heat exhaust systems for vertical escape routes in residential buildings. Smoke exhausts type CDH-F additionally meets requirements of EN 12101-2:2005 and can be used for hot smoke removal.
Heat and smoke vents
ZULUFTANSAUGUNG / LUFTAUSLASS IN DIE HALLEN
Smoke - Ventilation - Control
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