C/CS Ram BOP (Casting structure) 21 1/4" Bore Size Series
- Product Introduction
-
Rated Working Pressure
Bore Size
7 1/16''
(179.4mm)
9''
(228.6mm)
11''
(279.4mm)
13 5/8''
(346.1mm)
16 3/4''
(425.5mm)
18 3/4''
(476.3mm)
20 3/4''
(527.1mm)
21 1/4''
(539.8mm)
26 3/4''
(679.4mm)2,000psi (13.8MPa)
3,000psi (20.7MPa)
5,000psi (34.5MPa)
10,000psi (69MPa)
15,000psi (103.5MPa)
20,000psi (138MPa)
21 1/4"-2,000 psi (54-14) Ram BOP
Rated working pressure: 2000psi/13.8MPa
Hydraulic Operating-chamber Rated working Pressure: 3000psi/20.7MPa
Recommended Hydraulic Operating Pressure: 1218psi~1522psi/8.4MPa~10.5MPaModel
Volume
to Open
(gal/L)
Volume
to Close
(gal/L)
Locking
Type
Outlet
(in-psi)
Closing
Ratio λ
Ram Size
Top
Connection
Bottom
Connection
Size
Weight
(lb/kg)
L (in/mm)
W (in/mm)
H (in/mm)
C 21 1/4"-2,000psi Single Ram BOP
6.16/23.3
7.21/27
Manual
4 1/16 - 3,000
4.96 : 1
Maximum Size of Pipe Ram
16''
Studded
Flanged
126.22/3206
47.83/1215
27.76/705
10417/4725
6.16/23.3
7.21/27
Manual
4 1/16 - 3,000
4.96 : 1
Studded
Studded
126.22/3206
47.83/1215
20.67/525
9976/4525
6.16/23.3
7.21/27
Manual
4 1/16 - 3,000
4.96 : 1
Flanged
Flanged
126.22/3206
47.83/1215
35.24/895
10946/4965
C 21 1/4"-2,000psi Double Ram BOP
6.16/23.3
7.21/27
Manual
4 1/16 - 3,000
4.96 : 1
Studded
Flanged
126.22/3206
47.83/1215
45.47/1155
19797/8980
6.16/23.3
7.21/27
Manual
4 1/16 - 3,000
4.96 : 1
Studded
Studded
126.22/3206
47.83/1215
38.39/975
19357/8780
6.16/23.3
7.21/27
Manual
4 1/16 - 3,000
4.96 : 1
Flanged
Flanged
126.22/3206
47.83/1215
52.95/1345
20327/9220
CS 21 1/4"-2,000psi Single Ram BOP
(Shear)12.68/48
14.27/54
Manual
4 1/16 - 3,000
9.35 : 1
Studded
Flanged
126.22/3206
47.83/1215
27.76/705
12694/5758
12.68/48
14.27/54
Manual
4 1/16 - 3,000
9.35 : 1
Studded
Studded
126.22/3206
47.83/1215
20.67/525
12187/5528
12.68/48
14.27/54
Manual
4 1/16 - 3,000
9.35 : 1
Flanged
Flanged
126.22/3206
47.83/1215
35.24/895
13179/5978
CS 21 1/4"-2,000psi Double Ram BOP
(Shear)12.68/48
14.27/54
Manual
4 1/16 - 3,000
9.35 : 1
Studded
Flanged
126.22/3206
47.83/1215
45.47/1155
22302/10116
12.68/48
14.27/54
Manual
4 1/16 - 3,000
9.35 : 1
Studded
Studded
126.22/3206
47.83/1215
38.39/975
21698/9842
12.68/48
14.27/54
Manual
4 1/16 - 3,000
9.35 : 1
Flanged
Flanged
126.22/3206
47.83/1215
52.95/1345
22906/10390
21 1/4"-5,000 psi (54-35) Ram BOP
Rated working pressure: 5000psi/34.5MPa
Hydraulic Operating-chamber Rated working Pressure: 3000psi/20.7MPa
Recommended Hydraulic Operating Pressure: 1218psi~1522psi/8.4MPa~10.5MPaModel
Volume
to Open
(gal/L)
Volume
to Close
(gal/L)
Locking
Type
Outlet
(in-psi)
Closing
Ratio λ
Ram Size
Top
Connection
Bottom
Connection
Size
Weight
(lb/kg)
L (in/mm)
W (in/mm)
H (in/mm)
CS 21 1/4"-5,000psi Single Ram BOP
(Shear)15.69/59.4
16.43/62.2
Manual
4 1/16–5,000
9.35 : 1
Maximum Size of Pipe Ram
16''
Studded
Studded
137.56/3494
54.61/1387
29.92/760
28850/13086
15.69/59.4
16.43/62.2
Manual
4 1/16–5,000
9.35 : 1
Studded
Flanged
137.56/3494
54.61/1387
42.17/1071
30371/13776
15.69/59.4
16.43/62.2
Manual
4 1/16–5,000
9.35 : 1
Flanged
Flanged
137.56/3494
54.61/1387
54.41/1382
31892/14466
CS 21 1/4"-5,000psi Single Ram BOP
(Shear/Tandem booster)15.69/59.4
21.64/81.9
Manual
4 1/16–5,000
13.76 : 1
Studded
Studded
213.7/5428
54.61/1387
29.92/760
21228/9629
15.69/59.4
21.64/81.9
Manual
4 1/16–5,000
13.76 : 1
Studded
Flanged
213.7/5428
54.61/1387
42.17/1071
10319/22750
15.69/59.4
21.64/81.9
Manual
4 1/16–5,000
13.76 : 1
Flanged
Flanged
213.7/5428
54.61/1387
54.41/1382
24271/11009
CS 21 1/4"-5,000psi Double Ram BOP
(Shear)15.69/59.4
16.43/62.2
Manual
4 1/16–5,000
9.35 : 1
Studded
Studded
137.56/3494
54.61/1387
53.35/1355
37335/16935
15.69/59.4
16.43/62.2
Manual
4 1/16–5,000
9.35 : 1
Studded
Flanged
137.56/3494
54.61/1387
65.20/1656
38856/17625
15.69/59.4
16.43/62.2
Manual
4 1/16–5,000
9.35 : 1
Flanged
Flanged
137.56/3494
54.61/1387
77.44/1967
40378/18315
CS 21 1/4"-5,000psi Double Ram BOP
(Shear/Tandem booster)15.69/59.4
21.64/81.9
Manual
4 1/16–5,000
13.76 : 1
Studded
Studded
213.7/5428
54.61/1387
53.35/1355
38863/17628
15.69/59.4
21.64/81.9
Manual
4 1/16–5,000
13.76 : 1
Studded
Flanged
213.7/5428
54.61/1387
65.20/1656
40384/18318
15.69/59.4
21.64/81.9
Manual
4 1/16–5,000
13.76 : 1
Flanged
Flanged
213.7/5428
54.61/1387
77.44/1967
41905/19008
● All BOPs are designed and manufactured in accordance with the latest version of API Spec 16A latest version.
● All metallic materials that come in contact with well fluids shall meet the requirements of NACE MR 0175/ ISO 15156 latest version for sour service.
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