Pneumatic emergency shut-off valve

Pneumatic emergency shut-off valve, also known as the pneumatic ball valve. It is a kind of actuator in automatic system, is composed of a plurality of spring pneumatic diaphragm actuator or floating piston actuating mechanism and a regulating valve,adjust the instrument to receive the signal, the fluid control technology in pipeline,switch on or switch off. Has the advantages of simple structure, sensitive response,reliable action and so on. Can be widely used in petroleum, chemical, metallurgical and other industrial sectors. Pneumatic shut-off valve of the gas supply requirements of the filtered compressed air flowing through the valve body of the media should be free of impurities and liquid and gas particle free.