Rectangular fire damper FDS_EX

Fire damper modified for potentially explosive atmospheres following also the 2014/34/EU directive. Suitable for Gas and Dust explosive atmosphere Inspection opening built-in Tightness class 3C as standard Great variety of installations rated up to EI120S Atex class Group II, category 2 G and 2 D Be Efficient Tightness class above the required limit of CE harmonized standard Manual or Actuator Mechanism Systemair manufactured manual mechanism with conductive plastic is made to be spark free. Inspection openings All FDS...EX rectangular dampers of sizes greater than 200x200 mm come complete with two inspection openings. Atex fire dampers represent passive fire protection, designed with the help of compartmentalization to prevent the spread of toxic gases, smoke and fire. Standard fire dampers are designed and certified in accordance with EN 15650 and tested for EIS criteria according to EN 1366–2. Fire dampers together with their installation form an inseparable part of a fire resistivity rating.