Namur valve
Namur valve is a new type of valve, the valve is mainly the result of the all the devices may be lit with explosive gas mixture components enclosed in a shell, the shell can withstand any shell joint surface or structure clearance, infiltrate into the inside of the shell of combustible mixture in the internal explosion damaged, and not caused by outside a gas or vapor formation of explosive environment, a variety of light, the temperature may produce a spark, arc and dangerous parts are in the explosion-proof enclosure, explosion-proof enclosure equipment internal space and the surrounding environment.