Fireproof butterfly circular dampers EI120S type SC120+

Two half round blades are held together by a fusible link.

When temperature rises above  72°C the fusible link will break.

Thereby the two half blades are released and the fire damper is shut, preventing smoke or flames from passing through.

Ød (mm) = 125

x  (mm) = 33

Closing ventilation ducts in case of fire.

Fire resistant for 2 hours.

For air of 15°C up to 45°C with RV 30-70%

To be mounted horizontally or vertically

CONSTRUCTION:
1. Steel tunnel
2. Two half round blades
3. Intumescent strip around the tunnel
4. Rubber sealing ring
5. Fusible link 72°C
6. 2 blocking hooks
7. End of range switch (option)
8. Product identification