Butterfly valve plate

The utility model discloses a butterfly valve plate of butterfly valve. A butterfly valve plate, butterfly valve plate is convex sealed face and goes up along annular central line and be provided with the V -arrangement groove, and this butterfly valve plate is convex sealed face and goes up the both sides of the V -arrangement groove notch that sets up and still has respectively sealed facial branch the same in addition, the notch both ends of this V -arrangement groove cell wall with butterfly valve plate is convex sealed face and goes up and be the arc connection other the same sealed facial branch the that the V -arrangement groove notch both sides that set up have respectively. The utility model discloses a butterfly valve plate is convex double containment face structure, is convex double containment face structure the utility model discloses butterfly valve plate, owing to increased the fluid tight route, twice sealed effect has improved the leakproofness of butterfly valve plate with the valve body, h