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Annular Blowout Preventers (API-16A)

We supply type S and type G annular blowout preventers; their sizes and models are in the table below. Type S annular blowout preventers have bolted-cover and wedge-cover; type G annular type blowout preventers have screwed-head and latched-head. Our blowout preventers are manufactured in accordance with API Specification 16A, Third Edition and NACE MR0175 per API Specification 16A, Temperature T20. They meet the applicable API and NACE requirements for H2S service.

 

Wedge-over Annular BOPBolted-cover Annular BOPGK Annular BOP

  Annular BOP Sizes and Models

Working Pressure (psi)
Bore (inches)
7-1/16
9
11
13-5/8
16-3/4
18-3/4
20-3/4
21-1/4
10,000
               
5,000
               
3,000
               
2,000
               
 

  Annular BOP Specifications*

Bore (inches)
7-1/16
9
11
13-5/8
20-3/4
21-1/4
Working Pressure (psi)
3,000
5,000
3,000
5,000
3,000
5,000
10,000
3,000
5,000
10,000
3,000
2,000
Operating Pressure (psi)
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
1,500
Gallons to Close
4.92
4.57
7.23
11.05
11.00
18.67
30.58
23.50
23.58
40.16
43.40
31.10
Gallons to Open
3.43
3.21
5.03
8.72
6.78
14.95
24.67
14.67
17.41
32.64
26.90
18.90
Width (inches)
29
29
35-1/2
40
39-7/8
44-3/4
57
46-3/8
50
64-1/2
54-1/8
52-3/4
Height (inches), Studded Top, Flanged Bottom
29-1/8
30-7/8
32-1/2
36-1/2
32-7/8
41-1/2
53
40-11/16
44-15/16
58-3/4
48-7/16
52-1/2
Weight (lbs), Studded Top, Flanged Bottom
2,900
3,175
4,775
6,800
5,825
9,550
23,000
9,100
13,650
32,475
14,600
15,100
Ring Gasket
R-45
R-46
R-49
R-50
R-53
R-54
BX-158
R-57
BX-160
BX-159
R-74
R-73

   *This is only a partial listing of our annular blowout preventers. Data in this table are for reference only.

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