Blackhawk Low-Torque Kelly Valves
- Both Upper & Lower—Holds Both Ways
- Bearing System instead of Teflon Seal
- Helix Support Platform allows a small tolerance of movement so valve is not pressure locked
- Small weep hole allows fluid inside the ball when closed so there is no differential pressure
- Dart-Friendly feature allows smooth dart transition similar to ID transitions on crossovers
- 6 5/8 FH, 5 ½ FH, 4 ½ IF, 3 ½ IF, 4 ½ XH, XT-57, XTM-57, XT-39, HT-55
