Used in conjuction with a variety of lock mandrels to hold differential pressure from below 

Designed to be installed or retrieved in a single run application.

The Dual Flapper Check Valve utilizes off the shelf parts, and is adaptable to a wide range of wellbore 

condidtions and applications.

Applications:

The Dual flappper Check Valve is typically used in slickline operations where there is a requirement

 to maintain pressure control during injection or fishing operations.

Able to be ran in place with the tubing string,or wireline set if the need should arise.