| 摘要 |
A telescoping valve assembly that is integrally attached to a container. The valve assembly includes a slide member that is movably attached to a sleeve, the sleeve being attached to a liner or a container. The slide member can be telescoped to a desired protrusion distance from the surface of the container. Once the slide member is in the desired position, a plug is taken off and a valve shaft is turned. The valve shaft controls the opening and closing of a valve assembly inside of the slide member and in this way the precise rate of flow of material from the container can be controlled.
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