Watch 3d-model

Overflow valve

Overflow valve is used to fill and dump the drill string during drilling tol round-trips.

Specifications and product range

 

КП75

КП95

КП106

КП120

КП165

КП172

КП240

Max OD, mm

78

106

106

121

168

176

203

Total length, mm

461

676

614

477

767

567

587

Body length, mm

385

600

525

375

653

440

460

Pin

З-65

З-86

З-86

З-102

З-133

З-147

З-171

Box

З-65

З-73

З-86

З-102

З-133

З-147

З-171

Min thru bore, mm

15

28

28

28

50

50

55

Mud flow-rate, l/sec

3…5

5…10

5…12

10…20

14…29

25…37

30…75

Mud sand content %, max

1

1

1

1

1

1

1

Bypass opening pressure differentiation, kgf/cm2

2,1±0,2

2,1±0,2

2,1±0,2

2,1±0,2

2,1±0,2

2,1±0,2

2,1±0,2

Weight, kg

11

25

26

28

76

76

81