STANDING VALVES
To retain a column of fluid in tubing string.
Description
The BT FB2 Standing Valve consists of nine components:
1. Fishneck
2. Equalizing Sleeve
3. Ball Seat
4. Bypass Mandrel
5. Packing Mandrel
6. Packing Nut
7. Ball
8. Male Back Up Ring
9. Female Back Up Ring
Applications
The BT FB2 is generally placed in the tubing string when there is a need to retain fluid from being reabsorbed back into the wellbore formation. A good example if this would be above a submersible pump.