DFB20/7 Mining explosion-proof electric ball valveDetailed product description：

DFB20/7 mining flameproof electric ball valve is mainly applicable to automatic dust-proof, fire prevention and extinguishing automatic control spray and automatic water circuit switch with gas and coal dust explosion hazards, poor water quality and wide water pressure range in coal mines. This electric ball valve can be used independently or in conjunction with other monitoring systems. Electric ball valve is a new type of electric valve that opens and closes waterways by the rotation of a sphere. It has a wide range of water supply pressure, is not affected by sediment and sewage, has a large water supply diameter, short power on time during operation, and stable and reliable operation. It is a widely used, long service life, high water transmission capacity, and strong anti-interference ability sprinkler control valve. When the valve is fully open and fully closed, there is a signal output.