Full-bore kelly valves for the tubing string

Intended for overlapping-opening the inner channel of pumping and compression pipes, has full passage equal to the passage of the channel of the relevant pumping and compression pipe.

The valve is opened and closed by spindle rotation 90°, using a handle, fixing screw acts as the key rotation stopper.

Parameter name KSH-62-73R1
Working pressure, PSI (atm) 5144 (350)
Cargo capacity, kN (tf) 60 (600)
Length 1,26 ft / 385 mm
OD 4 13/16″/ 122,5 mm
ID 2 7/16″/ 62 mm
Coupling thread, API Spec 5B NUE-2 7/8″
Weight, lbs (kg) 40 (18)
Handling medium drill and grouting slurry, oil, gas
Operating fluid temperature, °С from -40 to 70