Fire and static prevention ball valve

The utility model provides a fire and static prevention ball valve. Main to solve the sealed effect of current fire prevention ball valve not good, moreover easy static problem on fire. Its characterized in that: be equipped with the ring channel of installation disk seat in the valve body, disk seat and spheroid soft seal cooperation, ring channel inner circle and ball sealing cooperation are with spheroiding cooperation sealed firmly, at least, be equipped with two antistatic device of group on the valve rod, wherein have a set of antistatic device and spheroid contact at least, have a set of antistatic device and valve body contact at least. Its advantage lies in using the soft seal to combine together with sealing firmly, and sealed effect is better, in case the disk seat that burns out on fire, its sealed effect can be guaranteed to hard the sealing between valve body and the spheroid, preventing leakage, and the effect is better, all set up antistatic device in addition between valve rod and valve body,