Automatic sprinklers are a part fire extinguishing systems. Usually part of a fire protection system based on a water reservoir for the supply system and a network of pipes which are terminal elements. They usually are activated by detecting the effects of a fire since the temperature rise associated with fire, or smoke is generated by combustion (fire sprinkler hydraulic calculations).
A fire sprinkler is a device for extinguishing fires. Consists of an armature, with a pipe connected to a water pipe pressure. The pipe is closed with a cover subject by a glass capsule filled with a liquid whose boiling point is at a certain temperature (temperature trigger) which is subject against a disperser. When a fire occurs, the liquid boils and the steam breaks the capsule; the lid bounces, exits the water and crashes into the disperser sprinkling the burned area.
There are other automatic, instead of the capsule are connected to a fire detector which sends an automatic valve that opens when the detector knows of a fire. When quenched, the switch closes the valve and, if applicable, would open again if the fire is revived. Systems differ from sprinklers sprayed water on the element that disperses the water these last is a mouthpiece designed to offer an angle of fog.
Fuse trip. The plug is held in position by a mechanism formed by two metal plates joined with a weld, with a melting point of carefully calibrated. In a blaze, the heat generated softens the solder, causing the water pressure acting on the cap and then disarm the system to skip the plug, allowing the escape of liquid. The water goes through the hole and strikes against a sheet, designed to distribute the jet way to rain (deflector). Each spray has its own fuse, so that only those sprinklers that are in zone of influence of trigger.
Sprinkler is a component of fire-fighting system, irrigation head mounted in sprinkler installation (network of water pipes, which is always water or air under pressure). The spray outlet closed heat or thermo-sensitive bulb lock having a temperature of up to 343 degrees C. Upon reaching room temperature a certain value, locking the system soldered or bursts flask, and water begins to irrigate the protected zone. The disadvantage of such a system is relatively large inertia - head opened after about 2-3 minutes after the temperature rise.
These processes may take more or less depending on rate of release of surrounding heat to spray, the distance between the sprinkler and ceiling, the distance between the spray and the floor, the roof slope and other factors that have been extensively studied by the NFPA (National Fire Protection Association), UL (Underwriters Laboratories), FM (Factory Mutual), among other research and development in flame protection systems.
Another way to activate a sprinkler is associated with flame detector which opens the closed spray, which in this case is a solenoid valve (solenoid valve) when a flame occurs in area protected by the sprinkler. The advantage of this system is that, once the blaze is out, the water outlet is cut and, if reignite, reopens. With the system of sensitive element, it would take someone off the water supply or water damage could exceed those caused by the inferno.
Triggered sprinkler repair and re-use are not subject. They must be replaced with new sprinklers. Temperature rating of sprinklers can be identified by the color of bulb. Before replacing the installed sprinkler-fire extinguishing system must be disconnected completely relieve pressure in piping, drain systems for wet or dry pipe bled for. Followed to dismantle the old sprinklers and install a new one, making sure that its design, temperature and operating time correspond to those indicated in project. After replacing the sprinklers should be installed fire-extinguishing system in standby mode.
A fire sprinkler is a device for extinguishing fires. Consists of an armature, with a pipe connected to a water pipe pressure. The pipe is closed with a cover subject by a glass capsule filled with a liquid whose boiling point is at a certain temperature (temperature trigger) which is subject against a disperser. When a fire occurs, the liquid boils and the steam breaks the capsule; the lid bounces, exits the water and crashes into the disperser sprinkling the burned area.
There are other automatic, instead of the capsule are connected to a fire detector which sends an automatic valve that opens when the detector knows of a fire. When quenched, the switch closes the valve and, if applicable, would open again if the fire is revived. Systems differ from sprinklers sprayed water on the element that disperses the water these last is a mouthpiece designed to offer an angle of fog.
Fuse trip. The plug is held in position by a mechanism formed by two metal plates joined with a weld, with a melting point of carefully calibrated. In a blaze, the heat generated softens the solder, causing the water pressure acting on the cap and then disarm the system to skip the plug, allowing the escape of liquid. The water goes through the hole and strikes against a sheet, designed to distribute the jet way to rain (deflector). Each spray has its own fuse, so that only those sprinklers that are in zone of influence of trigger.
Sprinkler is a component of fire-fighting system, irrigation head mounted in sprinkler installation (network of water pipes, which is always water or air under pressure). The spray outlet closed heat or thermo-sensitive bulb lock having a temperature of up to 343 degrees C. Upon reaching room temperature a certain value, locking the system soldered or bursts flask, and water begins to irrigate the protected zone. The disadvantage of such a system is relatively large inertia - head opened after about 2-3 minutes after the temperature rise.
These processes may take more or less depending on rate of release of surrounding heat to spray, the distance between the sprinkler and ceiling, the distance between the spray and the floor, the roof slope and other factors that have been extensively studied by the NFPA (National Fire Protection Association), UL (Underwriters Laboratories), FM (Factory Mutual), among other research and development in flame protection systems.
Another way to activate a sprinkler is associated with flame detector which opens the closed spray, which in this case is a solenoid valve (solenoid valve) when a flame occurs in area protected by the sprinkler. The advantage of this system is that, once the blaze is out, the water outlet is cut and, if reignite, reopens. With the system of sensitive element, it would take someone off the water supply or water damage could exceed those caused by the inferno.
Triggered sprinkler repair and re-use are not subject. They must be replaced with new sprinklers. Temperature rating of sprinklers can be identified by the color of bulb. Before replacing the installed sprinkler-fire extinguishing system must be disconnected completely relieve pressure in piping, drain systems for wet or dry pipe bled for. Followed to dismantle the old sprinklers and install a new one, making sure that its design, temperature and operating time correspond to those indicated in project. After replacing the sprinklers should be installed fire-extinguishing system in standby mode.
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