Item

Specification for Annular BOP

Size and model

7 1/16″

-3000psi

7 1/16″

-5000psi

9″

-3000psi

9″

-5000psi

11″

-3000psi

11″

-5000psi

13 5/8″

-3000psi

13 5/8″

-5000psi

20 3/4″

-3000psi

21 1/4″

-5000psi

mm/in Bore (mm/in.)

179.4

7 1/16

179.4

7 1/16

228.6

9

228.6

9

279.4

11

279.4

11

346.1

13 5/8

346.1

13 5/8

527

20 3/4

539.8

21 1/4

Rated working pressure (MPa/psi)

21

3,000

35

5,000

21

3,000

35

5,000

21

3,000

35

5,000

21

3,000

35

5,000

21

3,000

35

5,000

Hydrostatic pressure testing pressure (MPa/psi)

42

6,000

70

10,000

42

6,000

70

10,000

42

6,000

70

10,000

42

6,000

70

10,000

31.5

4,500

70

10,000

Hydraulic-controlled rated working pressure (MPa/psi)

21/3,000

Recommended hydraulic working pressure seal pipe (MPa/psi)

1,218～1,522psi

Max. working pressure seal well without a pipe in (MPa/psi)

10.5

1,500

17.5

2,500

10.5

1,500

17.5

2,500

10.5

1,500

17.5

2,500

10.5

1,500

17.5

2,500

10.5

1,500

17.5

2,500

Recommended hydraulic working pressure seal well without a pipe in (MPa/psi)

≤10 .5/1,500

Open Max. oil volume (L)

15

15

22.8

33

39

56

69

69

110

181

Close Max. oil volume (L)

21

21

34

42

50

72

94

94

173

241

Lift weight by two lifting rings (t)

16

16

16

25

25

25

32

32

32

64

The outlet of hydraulic oil

NPT 1”

Temperature grade of metal

T-20/250(-29℃～121℃)

Temperature grade of non-metal

BAB (-18℃~66℃~93℃)

Medium material contact with well liquid

Per to NACE MR-01-75, meet API 16A 4th Edition Standard