Details about automatic fire and smoke dampers are.
Hvac fire damper jack.
Resetting fire dampers by hand after a test has been performed can be an unsafe difficult and time consuming process.
Our photo at at left shows a pair of open fire damper doors in the ceiling of a commercial building in new york city.
Installed inside hvac ductwork the damper blades automatically close when a rise in temperature occurs or a smoke alarm goes off.
A common way for fire to spread from one compartment to another is through the hvac ductwork.
Therefore fire dampers are installed in the plane of the fire wall to protect these openings.
Fido fire damper openers help make this process safer and easier while also saving significant time and money.
When a rise in temperature occurs the fire damper.
Use fire and smoke dampers from grainger in office buildings healthcare facilities and other buildings to prevent the spread of fire and smoke if that emergency should occur.
Fido2 can open fire dampers up to 16 in height.
Upon detection of heat the fusible link usually rated for 165of or 212of melts closing the fire damper blades and blocking the flame from penetrating the.
Similar dampers may be installed right in hvac ducts where the ducts pass between different building areas.
Fire smoke dampers are similar to fire dampers in fire resistance rating and also prevent the spread of smoke inside the ducts.