Fire damper EN 1366-2

The HTE 400 fire damper is used to prevent the spread of fire inside ventilation and air-conditioning systems in civil buildings.

Fire damper EN 1366-2 – HTE 400

The damper is certified in accordance with UNI EN 1366-2, classified in accordance with UNI EN 13501-3 and CE marked in accordance with UNI EN 15650:2010, with the following installation options:

  • inside a vertical aerated concrete wall or inside a concrete slab EI 180 (ve ho i <-> o) S;
  • inside a lightweight vertical wall (gypsum plasterboard) from 100mm EI 120 (ve i <-> o) S.

The HTE 400 fire damper is available in several versions:

  • with fuse and manual reset: by acting on the reset lever, the blade is set into open position and held there by a special brace which attaches it to the thermal circuit breaker;
  • with magnet and manual reset: by acting on the reset lever, the blade is set into open position and held there by an electromagnet; The thermal circuit breaker touches a microswitch, which ensures power to the electromagnet; in the event of fire, the circuit break will cut off the power and allow the blade to close;
  • With thermoelectric fuse and spring return actuator.

Technical features:

  • sizes range from 150 x 150mm to 1500 x 800mm (in single section construction).
  • frame composed of 2 galvanised sheet tunnels with flanges at the ends, separated by a calcium silicate layer, that acts as a thermal separator;
  • calcium silicate blade with special control mechanism;
  • silicone seal to seal against cold smoke;
  • heat expanding seal for hot smoke resistance.

Certifications:

  • UNI EN 1366-2;
  • UNI EN 13501-3;
  • ATEX IIGD -40°C < T < +50°C (for versions with electric actuator only).

They are installed straddling masonry walls, lightweight plasterboard walls and concrete slabs, certified EI.
For further details, see the Downloads section.

  • Class S cold smoke sealed, the highest possible, producing levels 4 times lower than regulations require.
  • EI180 classification on standardised walls and slabs.
  • EI120 classification on lightweight plasterboard.
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