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Smoke exhaust valve
Release time:
2021-07-06 17:30
The smoke exhaust valve is installed at the end of each branch of the mechanical smoke exhaust system (smoke intake), usually in a closed state and meeting the air leakage requirements. It can be manually or electrically opened during a fire or when smoke exhaust is needed, serving the function of smoke exhaust.
Definition
Installed at the end of each branch of the mechanical smoke exhaust system (smoke intake), usually in a closed state and meeting the air leakage requirements. It can be manually or electrically opened during a fire or when smoke exhaust is needed, serving the function of smoke exhaust. Valves with decorative openings or that have been decorated are referred to as smoke exhaust openings.
Generally, the smoke exhaust system in buildings requires personnel confirmation and operation, so the smoke exhaust valve does not have temperature sensing devices. It is usually installed in the upper part of the building space or at the ceiling.
The smoke exhaust valve can be interlocked with fire detectors, especially smoke detectors. It opens the valve to exhaust smoke by detecting the smoke generated in the early stages of a fire, turning it into an automatic valve driven by a motor or electromagnetic mechanism.
Working Method
The smoke exhaust valve is generally used on the duct of the smoke exhaust system, usually kept closed. When a fire occurs, the smoke detector sends a fire alarm signal, and the fire control center opens the valve to exhaust smoke using a DC24V voltage. It can also be opened manually and reset manually. After the valve is opened, it can send an electrical signal to the fire control center. Additionally, it can be interlocked with other equipment as required. The smoke exhaust valve can be combined with ordinary louvered air outlets or panel air outlets to form a smoke exhaust outlet.
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