Ball Seat

By the shell, ball seat, locking seat composition. Lock seat and the ball seat through the pin connection, pressure seat sit, then pressure, the ball seat off, circulation re-open.
Features
1. Can be used with any structure of hydraulic liner hanger.
2. Composite rubber stopper and the lock seat compound to form a sealed anti-back pressure.
3. The inner sleeve is made of drill material, drill convenient.
Technical Parameters