Pall Corporation

Riazuddin S Rahimi

Jeffrey M Seibert

Mark W Johnson

A vent filter assembly may be disposed in a wall of a sealed waste container containing radioactive waste or the like and utilized for venting gases. The vent filter includes a housing coupled to the container. The housing includes a first opening communicating with an interior of the container and a second opening communicating with an exterior of the container. The housing defines a gas flow path between the first and second openings. A filter is coupled to the housing and disposed across the gas flow path such that gas flowing between the openings flows through the filter. The filter includes a porous metal hydrophobic filter medium. The components of the assembly may be fabricated from materials that are durable and resistant to deterioration due to elements stored within the container, as well as environmental elements. Further, the components may be fabricated from the same or similar materials or materials which are compatible with one another.

Vent filter assembly

A filter assembly includes a housing having an inlet and an outlet, at least two filter elements stacked inside the housing, and a spacer positioned between the filter elements. The spacer includes a body having an opening which is larger than the inner diameter of at least one of the filter elements and is no smaller than about one-third of the outer diameter of a filter element. The spacer is free of any structure which extends into the opening.

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Homer, NY, United States of America

Riazuddin S Rahimi