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2. Wood-burning stove - Wikipedia

   en.wikipedia.org/wiki/Wood-burning_stove

   A damper in a stove chimney flue (1) controls air supply by being set open (2) or closed (3).. Keeping the air flowing correctly through a wood-burning stove is essential for safe and efficient operation of the stove.

3. Smoke damper - Wikipedia

   en.wikipedia.org/wiki/Smoke_damper

   Smoke damper may be used to prevent the spread of smoke from the space of fire origin to other spaces in the same building. A combination of fans and dampers can exhaust smoke from an area while pressurizing the smoke-free areas around the affected area (inhibiting smoke infiltration into additional areas). It may also be used to maintain the ...

4. Damper (flow) - Wikipedia

   en.wikipedia.org/wiki/Damper_(flow)

   Damper (flow) Opposed blade dampers in a mixing duct. A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature ...

5. Register (air and heating) - Wikipedia

   en.wikipedia.org/wiki/Register_(air_and_heating)

   A floor register. A register is a grille with moving parts, capable of being opened and closed and the air flow directed, which is part of a building's heating, ventilation, and air conditioning (HVAC) system. The placement and size of registers is critical to HVAC efficiency. Register dampers are also important, and can serve a safety function.

6. Heat and smoke vent - Wikipedia

   en.wikipedia.org/wiki/Heat_and_smoke_vent

   Automatic heat and smoke vents are available commercially in two general categories: Mechanically opened vent, powered by springs, pneumatic actuator, or electric motor. Drop-out vent – constructed of plastic which shrinks in the presence of heat (i.e., drop-out panel). Interaction with automatic fire sprinklers

7. Fire damper - Wikipedia

   en.wikipedia.org/wiki/Fire_damper

   Fire/smoke dampers are similar to fire dampers in fire resistance rating, and also prevent the spread of smoke inside the ducts. 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 ...