Patent ID: 7988013

Claim:
A flow control device, comprising: a hood, which has a hemi-spherical shape and internally forms an interior receiving space, the hood forming in a top thereof a discharge opening, the hood forming two arc positioning slots in an outer surface thereof on opposite sides of the discharge opening; a ball valve movably received in the hood, the ball valve forming through a center thereof a flow passage, the ball valve having an outer surface forming two positioning bosses at two symmetric locations substantially perpendicular to the flow passage, the ball valve forming two retention hooks on opposite side of the flow passage to correspond to the arc positioning slots so that when the ball valve is received in the hood, the retention hooks project out of the hood by extending through the arc positioning slots respectively; a sealing ring set inside the hood and enclosing the outer surface of the ball valve; and a handle, which is coupled to the retention hooks and has a central portion forming two coupling holes for engaging the retention hooks of the ball valve projecting out of the hood so as to allow the handle to move in unison with the ball valve.