Explosion -proof ball valve

The utility model provides an explosion -proof ball valve, includes the valve body, be equipped with a spheroid in the valve body, be equipped with a valve rod on the valve body, the valve rod link up the valve body and is connected with the spheroid, the inside pressure release pipeline that is equipped with of valve rod, open valve rod upper end has a pressure release mouth that link up mutually with the pressure release pipeline, be equipped with a pressure sensing ware in the pressure release pipeline, the one end of pressure sensing ware is located the spheroid inner space, be equipped with the gas vent on the pressure sensing ware, the gas vent is located the pressure release pipeline, the valve rod overcoat is equipped with a knob. The utility model discloses an explosion -proof ball valve can be when valve runner internal gas pressure be too high, carries out automatically regulated and control to atmospheric pressure, adjusts back safe numerical value with the atmospheric pressure value, avoids the pneumatic valve to blast.