A ball valve

Abstract

The utility model discloses a ball valve, including valve body, ball core, valve rod and operating rod, be equipped with with the valve rod cooperation's through setting portion on the valve body, be equipped with auxiliary operating mechanism on the valve body, the auxiliary operating mechanism is used for controlling the ball core rotation to adjust the opening and closing state of ball valve. The utility model discloses the technical problem in prior art is solved, provides a kind of ball valve, it can effectively avoid the problem that the whole valve function loss is caused by key transmission component damage, significantly improve the reliability and usability of ball valve under emergency condition.

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