KOSHT check valves

KOSHT check valves is 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.

TS 3742-003-79560377-2009

Check valve structure allows carrying out maintenance works under field conditions. The valves are produced with the right and left directed coupling thread coils.

 

KOSHT-42R1
Working pressure, PSI (atm) from 5000 (350) to 15000 (1050)
Cargo capacity kN (tf) 140 (14)
Weight, kg 3 lbs / 1,4 kg
Length, mm 5 1/2"/ 140 mm
External diameter, mm 2"/ 52 mm
Drift size, mm 5/8"/ 16 mm
Coupling thread as per API Spec 5B TBG NUE-1,660″
Ambient temperature, °С: from -40 to +70
KOSHT-48R1
Working pressure, PSI (atm) from 5000 (350) to 15000 (1050)
Cargo capacity kN (tf) 180 (18)
Weight, kg 3.3 lbs / 1,5 kg
Length, mm 5 7/8"/ 150 mm
External diameter, mm 2 1/5"/ 56 mm
Drift size, mm 7/8"/ 20 mm
Coupling thread as per API Spec 5B TBG NUE-1,900″
Ambient temperature, °С: from -40 to +70
KOSHT-60R1
Working pressure, PSI (atm) from 5000 (350) to 15000 (1050)
Cargo capacity kN (tf) 300 (30)
Weight, kg 6.8 lbs / 3,1 kg
Length, mm 7 1/4"/ 185 mm
External diameter, mm 2 7/8"/ 73 mm
Drift size, mm 1 1/8"/ 28 mm
Coupling thread as per API Spec 5B TBG NUE-23/8
Ambient temperature, °С: from -40 to +70
KOSHT-73R1
Working pressure, PSI (atm) from 5000 (350) to 15000 (1050)
Cargo capacity kN (tf) 500 (50)
Weight, kg 11 lbs / 5 kg
Length, mm 7 7/8"/ 200 mm
External diameter, mm 3 1/2"/ 89 mm
Drift size, mm 1 3/5"/ 40 mm
Coupling thread as per API Spec 5B TBG NUE-27/8
Ambient temperature, °С: from -40 to +70
KOSHT-73LR1
Working pressure, PSI (atm) from 5000 (350) to 15000 (1050)
Cargo capacity kN (tf) 500 (50)
Weight, kg 13.2 lbs / 6 kg
Length, mm 7 7/8"/ 200 mm
External diameter, mm 3 5/8"/ 93,2 mm
Drift size, mm 1 5/8"/ 43 mm
Coupling thread as per API Spec 5B TBG EUE-27/8
Ambient temperature, °С: from -40 to +70
KOSHT-89R1
Working pressure, PSI (atm) from 5000 (350) to 15000 (1050)
Cargo capacity kN (tf) 600 (60)
Weight, kg 26.5 lbs / 12 kg
Length, mm 11 1/4"/ 285 mm
External diameter, mm 4 1/4"/ 108 mm
Drift size, mm 2"/ 50 mm
Coupling thread as per API Spec 5B TBG NUE-3½″
Ambient temperature, °С: from -40 to +70
KOSHT-114R1
Working pressure, PSI (atm) from 5000 (350) to 15000 (1050)
Cargo capacity kN (tf) 1100 (110)
Weight, kg 33 lbs / 15 kg
Length, mm 11 5/8"/ 295 mm
External diameter, mm 5 2/5"/ 132 mm
Drift size, mm 2 5/8"/ 67 mm
Coupling thread as per API Spec 5B TBG NUE-4½″
Ambient temperature, °С: from -40 to +70