Metering valve for liquids contained in a pressureless container.

摘要

Metering valve for liquid products contained in a pressureless container (15). A filter (5) is provided in the vicinity of the neck of the container (15) in order to purify the exterior air penetrating into the container (15) at each metering. The valve comprises a first, lower valve mechanism (9, 21) for the inlet of the liquid into the metering chamber (13), a second valve mechanism (19, 20) for the control of the metered quantity of liquid supplied and a third valve mechanism (6, 7) for the control of the closing safety of the valve. <IMAGE>