Filter assembly includng filter unit having deformable sealing e

Details Filter assembly includng filter unit having deformable sealing e Filter assembly includng filter unit having deformable sealing e

1992-07-27

1994-04-19

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

210232, 21032174, 21032183, 210354, 210356, 210357, B01D 4300

Patent

active

053043120

ABSTRACT:
A sealed filter unit is provided having end caps which engage fluid connectors which are in turn connectable to external piping conveying fluid through the filter and which provide a preliminary seal upon mounting the filter unit in the filter holder. The filter unit assures that all fluid passing through the unit is filtered in a single pass without wetting the filter holder into which the filter unit is mounted via the fluid connectors. The filter holder allows rapid and reliable insertion and removal of the filter unit to and from the filter holder. The filter holder will accept various sizes of filter units as required by the process. In the preferred embodiment, the fluid connectors are a part of the filter holder. In the absence of fluid pressure, the filter unit can be manually removed from the filter holder fluid connectors for replacement of the filter unit. The end caps deform under internal fluid pressure to lock the filter unit in place and to improve the fluid-tight seals between the end caps and the fluid connectors. A dutchman is provided for operations in which a filter element is not required or cleaning is required.

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