Fire damper Minisone

Minisone – Fire dampers CE marking-compliant in accordance with EN 15650. Reduced pressure losses. Attaches directly to smaller diameter ducts, no need for reduction fittings. Duct connections fitted with lip seals. Class B airtight performance in accordance with EN 1751. Available in circular format (Ø 100 to Ø 315 mm). Comprises a galvanised steel tunnel and pivoting 20 mm-thick blade made of refractory material. The trip device box is attached to the tunnel. Positioned offset to the blade so that only one part is sealed into the wall. Automatic trip device activated at 70 °C by thermal fuse. Lip seals to ensure Class B airtight performance in accordance with EN 1751. Fire resistance rating: EI 60 S – 500 Pa – Ve (io) : 110 mm concrete or 100 mm aerated concrete wall. EI 60 S – 500 Pa – Ve (io) : Light plasterboard partition. Installation with blade in vertical position. Open/closed position switches kit (FCU + DCU) available as option.