Ø125mm Metal Adjustable Thermally Fused Extract Valve - White
The product is an adjustable thermally fused extract valve made of metal in White colour. The valve acts as a blocking device to prevent the circulation of fire and smoke. If the ambient temperature of +72 °C is exceeded, the integrated fusible link releases the inner cone, which snaps closed by spring force. Can be used for insertion into winding seam pipes or for installation in walls and non-fire-resistant ceilings by means of the built-in ring (included).
No maintenance requirements.
Easy visual inspection which can be carried out at any time along with the ventilation unit
Effectively tested and maintains low system pressures for its level of protection
High noise damping value
Once set cannot be easily changed by unauthorised persons due to locking mechanism