Patent ID: 6260575
Filing Date: 2001-07-17
Classification: B05B,F16K,Y10T

Abstract:
A fluid flow control device comprising a fitting have an influent port, at least one effluent port, a main passageway extending from the effluent port, a branch passageway extending from the main passageway to the effluent port, a valve seat disposed between the influent port and the effluent port, the valve seat having a tapered portion on a downstream end thereof, and a stopper comprising a stem, a valve element at a first end of the stem, and a flared portion at a second end of the stem opposite the first end, a shape of the flared portion being complimentary to a shape of the tapered portion of the valve seat, the stopper being movable between an open position relative to the valve seat and a closed position relative to the valve seat.