FLAPPER

FLAPPER

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Description

The PRAXIS Flapper Assembly contains a spring-loaded flapper-type backpressure valve that holds pressure from below only. The valve is opened with the production tube when the Seal Assembly is landed into the Packer and automatically closes when the production tube is removed. A differential pressure below the Packer acts across the seal area of the flapper, holding it closed. These forces must be overcome with tubing weight to open the flapper.  

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