Quickly cut off the characteristics of the pneumatic valve and its application in industry

Quickly to cut off the pneumatic valve is one of the automation system of actuators, pneumatic diaphragm actuator by a more spring or floating piston actuator and control valve, the reception of the regulating instrument signal, fluid control technology of the pipe on the cut, or switch. It has a simple structure, sensitive reaction, reliable operation, etc. They are widely used in coal gas, natural gas and liquefied petroleum gas and other combustible gases. Quick to cut off the pneumatic valve USES: ( ） With the combustible gas leakage monitoring instrument, when testing instruments to combustible gas leakage, automatically shut down the main gas valve, cut off the gas supply, to prevent malignant accidents in a timely manner. （ ） With extreme temperature and pressure of heating equipment safety controller connection, when the temperature of the equipment within the testing point pressure exceeds the limit of the set value, automatic rapid close the gas supply valve, stop the supply of fuel. （ ） And the high-rise building fire alarm system in the middle of the connection, when building fire, cut off the gas inside the building, to prevent the occurrence of gas explosion. （ ） Within the gas supply network in the city or factory Settings, can be in the central control room centralized control, remote control quickly close the scene of the accident of pipeline gas supply. Quick cut-off valve features: quick to cut off the pneumatic valve is normally open type pulse trigger type solenoid valve. Quick to cut off the pneumatic valve structure simple, responsive, reliable operation, accident characteristics of self-locking and manual reset function has been used in all walks of life. Mainly concentrated in the following aspects: in daily work in a normally open state, valve, solenoid valve coil is in power position, don't waste electricity. Instantaneous power, when the accident happened, the valve coil, trigger quick off valve, the state of self-lock. Then the power even removed, the valve is still in the state of self-locking, does not automatically open again. Disc, valve adopts the forerunner type, open easily, even pressure reached the bar open very easily, diameter is greater than the DN, adopts the lever handle, valve, a switch and effort.