These fire-resistant butterfly valves are designed for installation in fire partition walls, or at the end of a duct in front of a valve. When the thermal fusible link melts (melting point 70 °C), the fire damper automatically sets itself to a 'closed' position.
Article | Description | Details | Material | ||
659.024.01 | Thermobox Ø125mm black/ silver | Heat-insulating, Eco+, round | - | ||
661.047.33 | Tube connector with valve Ø 125mm Steel | With butterfly valve | Galvanised steel |