Functional description
Laboratory fume hoods are made to protect the human being by controlling the risk of fume inhalation. But the fume hoods provide almost little or no protection against the risk of fire. Though all laboratories may has fire retarding methods or procedures, still accidents can and do happen near the ignition sources like hot plates, burners etc. especially in fume hoods, where you cannot even use conventional fire system. To deal with this problem Sciencebydesign brings you fire detection systems & suppression systems to protect laboratory fume hoods. Which detects & suppress a small fire before it grows, consumes the hood.
Installation
The auto fire extinguisher system consists of a detection tube. This flexible, heat sensitive, polymer tube is mounted behind the baffle of cabinet. In the working condition of hood, if fire begins, the flames follow the airflow into the hoods baffle. As this tubing is installed in a crisscross with the baffle, quick detection is assured. Hence it also assures the early detection of fire, reducing the risk of injury to laboratory personnel or damage to the equipment. This tube is then connected with a fire extinguisher cylinder which is placed nearby to the hood.
Operation
Once the heat sensitive tube senses heat of approx. 100°C, it gets burst & triggers the fire suppression system. The best fire suppression agent for the application, usually CO2 or ABC dry powder, is directly entered onto the fire assuring quick & effective suppression.It can suppress fire in the sash open condition as well. The best of all is that this system operates automatically, and no electricity is required to activate it.
Advantages
Fast, reliable 24X7 automatic detection and suppression
Suppresses a fire in seconds before it can threaten life and property
Extinguishes a fire even if the sash is open
Prevents the release of fumes that can damage instruments and equipment’s
Installs quickly and easily (No need to drill holes)
Does not affect IP ratings
Requires no electrical power to operate
No false alarm reacts only to open fire or flames
Can be integrated with fire control systems
Manual release option is available
Compatible with most commercially available fire extinguishing agents