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Assuming your question relates to life safety in building construction, and not to parts of a wood burning device- Smoke dampers are intended to limit the movement of smoke within a building, or section of a building. They are not intended to inhibit FLAME spread. A fire damper will inhibit smoke movement, but is also insulated to stop fire. A simple smoke damper might be light weight sheet metal- but that is not enough to stop very high temprature. A fire damper is heavier, may be insulated, built of fire resistive material, etc.
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What is the fire dampers?
Frequently Asked Questions About Fire and Smoke DampersWhat is the purpose of a fire damper?Fire Dampers are used to maintain the required ratings of fire rated barriers (walls, partitions, floors) when they are penetrated by ductwork.How does a fire damper work?When a rise in temperature occurs a fire damper will close and prevent the spread of flame through the barrier. Dampers are typically curtain style that will close (shut) when a fusible link melts. The fusible link typically melts when the temperature rises to 165 degrees Fahrenheit. In some circumstances higher degree fusible links (e.g. 212°F) are installed in ductwork with consistently higher normal temperatures, such as hot decks in dual duct systems. Fire dampers are certified by Underwriters Laboratories (UL) to carry hourly fire resistance ratings, typically 1.5 to 3 hours.What is the purpose of a smoke damper?Smoke dampers are used is ductwork and air transfer openings that are designed to resist the passage of air and smoke. Smoke dampers may be required in smoke barriers and other smoke controlled systems.How does a smoke damper work?Typically smoke dampers are operated by smoke detectors in the ductwork that will close the smoke damper when smoke is detected. Smoke detectors often are hard wired to a central alarm panel in which the alarm will relay a signal to the smoke damper to cause smoke damper closure. The closure of smoke dampers are done by an actuator - the actuator is either electric or pneumatic. The actuator utilizes the jackshaft and linkage to open and close the blades of the smoke damper. Smoke dampers are UL certified with an air leakage class rating.What is a Combination Fire and Smoke Damper?These dampers are used in areas where both smoke and fire barriers are located to prevent the passage of both smoke and flames.What is a Corridor Damper?Corridors are means of egress travel to an exit. Corridor dampers are fire and smoke dampers that have been designed for use in corridors.What is a Ceiling Damper?Ceiling dampers lessen the passage of heat in fire resistance ceilings where ducts are made only through ceilings.What is a fire barrier?Fire barriers are fire-resistant rated horizontal or vertical assemblies designed to stop the spread of fire.What is a smoke barrier?Either vertical or horizontal, the smoke barrier is a continuous surface such as a wall, floor, or ceiling constructed to restrict the movement of smoke.
What is difference between Smoke and sanity testing with examples?
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Is a fireplace damper opened when the chain is up or down?
In most cases, the fireplace damper is open when the chain is up and closed when the chain is down. Pulling the chain up usually opens the damper to allow smoke and gases to escape, while pulling it down closes the damper when the fireplace is not in use.
How far to open damper in fireplace?
When you use the fireplace, the damper should be open all the way. If not, you probably will not get enough updraft and your house will fill up with smoke...not a good thing. When it is not in use, the damper should be closed...otherwise you will lose a lot of heat up the chimney.
How does a fire damper works on ships?
A fire damper on ships is a safety device designed to prevent the spread of smoke and flames through ventilation ducts during a fire. It operates automatically or can be controlled manually; when activated by heat or smoke, the damper closes off the duct, sealing off the affected area. This helps to contain the fire, protect crew and passengers, and limit damage to the vessel. Regular maintenance and testing are essential to ensure the damper functions effectively in an emergency.
What is difference between FRLS and ZHLS cable?
(ZHLS) :- Zero Helogen Low Smoke. (FRLS) :- Fire Retardant Low Smoke.
What is the difference between smoking and second hand smoking?
Some second hand smoke is the smoke exhaled, and the other second hand smoke is smoke that comes off the burning end of cigarette.... You can notice a big difference in the color of those 2 types of smoke. smoking is the smoke inhaled only through the filter on a cigarette.
When do you adjust the fireplace damper?
You close the damper when you are not using the fireplace too keep air from coming in and to keep the air from being sucked out. This is most important in the winter. You don't want cold air coming in and your heat sucked out. When you are using the fireplace you have to open the damper to allow the smoke and fumes to escape.
Can you adjust the damper while you have a fire?
yes you can,as long as is it doesnt cause the smoke to roll out,your fire will last all night
Does a fireplace damper require a safety latch?
If the damper should close while a fire is burning, all of the smoke will be coming out in the house- NOT a good thing. Most dampers have a hold-open device held in place by gravity.
What is the difference between steam and smoke?
smoke contanis mainly carbon dioxide and other light wt. gases.steam contains water vapour at high temperature.
What is the difference between heroine and weed?
a buttload, u inject heroin, u smoke weed, and much more
