METERING VALVE

摘要

There is provided a metering valve for an aerosol container comprising a valve body (10) defining a metering chamber (12); the metering chamber having an inlet (20) and an outlet (30), the inlet permitting flow of aerosol from said container to the metering chamber and the outlet permitting dispensing of aerosol from the metering chamber; the inlet having an inlet valve reversibly actuable from an open to a closed position; and the outlet having an outlet valve reversibly actuable from a dispensing to a non-dispensing position, wherein the outlet valve comprises an outlet valve seat (32) and an outlet valve poppet (34) in biasable contact therewith.