Designed to prevent spontaneous filling of the liner with drilling mud or formation water, to eliminate return flow of the cement slurries

 from casing annulus inside the liner.

No

Parameter

Value

ZHB 30.47.00.000

(Fig. 1)

ZHB 10.47.00.000А

(Fig. 1)

ZHB 20.49.00.000

(Fig. 1)

ZHB 20.50.04.000

(Fig. 2)

ZHB 20.72.49.000

(Fig. 1)

1

Casing string rated diameter, in (mm)

3-1/2 (89)

4 (102)

4-1/2 (114)

4-1/2 (114)

4-1/2 (114)

2

Valve OD, in (mm)

4.134 (105)

4.331 (110)

5.020 (127.5)

5.020 (127.5)

5.020 (127.5)

3

Body ID, in (mm)

2.992 (76)

3.504 (89)

3.937 (100)

3.937 (100)

3.819 (97)

 

Fig. 1

4

 

Length of valve, ft (mm)

0.755 (230)

0.853 (260)

0.984 (300)

1.312 (400)

0.984 (300)

5

Connecting thread

Street elbow NUE Api tubing 3-1/2 (89 GOST 633-80)

Trapezoidal thread ОТТМ 102

TU 14-161-163-96

Trapezoidal thread ОТТМ 114

GOST 632-80

Trapezoidal thread ОТТМ 114

GOST 632-80

Street elbow   

sealing thread ОТТG 114

GOST 632-80

6

Weight, lb (kg)

12.128 (5.5)

11.246 (5.1)

18.698 (8.48)

32.193 (14.6)

18.743 (8.5)

7

Sealing type: body-seat

Metal-polyurethane

Metal-polyurethane

Metal-polyurethane

Metal-rubber

Metal-polyurethane

8

Maximum operating temperature, °F(°С)

212 (100)

302 (150)

212 (100)