Fireproof principle of pneumatic valve

in the pneumatic valve is installed in the central air conditioning duct system for fire protection, the working principle is to use easy to fuse the temperature of the alloy to control the open, use the function of gravity and spring mechanism close the pneumatic valve. Invasion of duct when the fire broke out, the flame, high temperature made the fusible alloy melted on the pneumatic valves, or makes a memory alloy to produce deformation of pneumatic valve shut down automatically, used for air duct and fire zone throughout the occasion. Fire pneumatic valve is installed in the exhaust smoke exhaust system on the pipeline valve, exhaust gas dynamic valve often shut at ordinary times, when there is a fire, by floor partition set of smoke detector to detect a large number of smoke information continuously, to open the exhaust gas valve, linkage and feedback signal to the fire monitoring host, linkage opens the corresponding area of the smoke exhaust fan, exhaust smoke in order to achieve the purpose.
fire pneumatic valve installed in the ventilation, air-conditioning systems to send, duct on the way back, at ordinary times is open, a fire when the temperature of the gas inside the pipeline reaches ℃, fusible piece fuse, pneumatic valve under the effect of torsional spring force automatically shut down, in a certain time can meet the requirements of stability and refractory refractory integrity, the role of pneumatic valves smoke proof. Pneumatic valve closing, closed signal output. And made a lot of progress. However long wave region by the sun has not yet been fully taken advantage of. In car fuel, main using gasoline as fuel. In the car's internal combustion system, will use the pollution gas after the discharge. If the solar thermal energy into hydrogen from methane and water in the 'activation energy', smoke fire pneumatic valve installed on the exhaust system piping, normally closed, manual or electric open fire, smoke exhaust effect, when the exhaust pipe flue gas temperature reaches ℃ when closed, in a certain time can meet the requirements of stability and refractory refractory integrity, smoke exhaust effect of pneumatic valve.
automatic smoke fire pneumatic valve ACTS on the subway ventilation and air conditioning system of fire prevention, smoke valve with automatic fire alarm devices and gas fire extinguishing system linkage control. Each automatic smoke fire pneumatic valve has two independent electric control signal, respectively by the EMCS, gas elimination system for monitoring, and made great progress. However long wave region by the sun has not yet been fully taken advantage of. In car fuel, main using gasoline as fuel. In the car's internal combustion system, will use the pollution gas after the discharge.