Full-bore kelly valves for the drilling string
Intended for automatic overlap and pressurization of the drilling instrument tube channel in drilling oil and gas wells, and also in maintenance and emergency works.
The valve is opened and closed by spindle 90° rotation using the control key. Stopper is the ball rotation stopper.
|Working pressure, PSI (atm)||10287 (700)|
|Cargo capacity, t (kn)||160 (1600)|
|Length||1,71 ft / 520 mm|
|External diameter||5 1/4″/ 133 mm|
|Cross-section diameter||2 3/8″/ 60 mm|
|Coupling thread as per API 7||NC 38|
|Weight, lbs (kg)||79 (36)|
|Handling medium||drill and grouting slurry, oil, gas|