Our smoke dampers are used to manage smoke only whilst our intumescent fire smoke dampers also manage fire and are designed to close when the temperature reaches 74 c.
Fire smoke damper.
In essence it s inside the damper that the detection takes place.
There are similarities and differences between them.
Fire smoke dampers can be manufactured with externally mounted motors or internally mounted motors.
Actionpac control systems dedicated damper control systems suitable for even the most challenging project demands.
Installed inside hvac ductwork the damper blades automatically close when a rise in temperature occurs or a smoke alarm goes off.
Duct smoke fire dampers gilberts ductgard presents an engineered range of combined smoke and fire dampers suitable for use in all types of hvac ductwork.
Price book use.
Full range of fire dampers smoke control dampers and marine fire dampers for controlling the spread of fire and smoke in hvac systems.
Together with a complete fire alarm system and sprinkler system a fire smoke damper can have a tremendously positive effect during a fire.
Fire smoke dampers are similar to fire dampers in fire resistance rating and also prevent the spread of smoke inside the ducts.
Combination fire smoke dampers are low leak damper and actuator assemblies that have passed the ul555 and ul555s test requirements.
When a rise in temperature occurs the fire damper closes usually activated by a thermal element which melts at temperatures higher than ambient but low enough to indicate the presence of a fire allowing springs to close the damper blades.
The first answer is that a fsd is a fire smoke damper that closes with either fire or smoke and the fire damper closes only with fire and stays open with smoke.
If you are interested in fire smoke dampers you can contact your local combination fire smoke damper representative on our local hvac rep page.
1 hour or 3 hour rated models available.
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.
Fire dampers smoke dampers high temperature dampers.
Benefitting from over 50 years of engineering experience in the industry considerable ingenuity has been applied in the design and construction of this product to produce a damper of high efficiency reliability durability and ease of use.
A fire damper is designed to stop combustible materials and toxic smoke from worsening the situation during a fire.
All nailor fire smoke dampers are tested and labeled in accordance with ul 555 and ul 555s.
The high temperature damper operates continuously at 300 c for up to 2 hours.