F/FS Ram BOP (Forging 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)
25,000psi (175MPa)
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)
FS 21 1/4"-2,000psi Single Ram BOP
(Shear/Hydraulic bonnet open/close/Hydraulic locking)
19.02/72
16.11/61
Hydraulic locking
3 1/16–10000
10.83:1
Maximum Size of Pipe Ram
16''
Studded
Flanged
148.50/3772
59.69/1516
29.33/745
16724/7586
19.02/72
16.11/61
Hydraulic locking
3 1/16–10000
10.83:1
Flanged
Flanged
148.50/3772
59.69/1516
36.42/925
17293/7844
FS 21 1/4"-2,000psi Double Ram BOP
(Shear/Hydraulic bonnet open/close/Hydraulic locking)
19.02/72
16.11/61
Hydraulic locking
3 1/16–10000
10.83:1
Studded
Flanged
148.50/3772
59.69/1516
49.21/1250
32265/14635
19.02/72
16.11/61
Hydraulic locking
3 1/16–10000
10.83:1
Flanged
Flanged
148.50/3772
59.69/1516
57.68/1465
33407/15153
FS 21 1/4"-2,000psi Single Ram BOP
(Shear/Hydraulic bonnet open/close)
14.27/54
14.79/56
Manual
4 1/16-2000
10.83:1
Flanged
Flanged
176.93/4494
45.28/1150
36.42/925
16471/7471
FS 21 1/4"-2,000psi Double Ram BOP
(Shear/Hydraulic bonnet open/close)
14.27/54
14.79/56
Manual
4 1/16-2000
10.83:1
Flanged
Flanged
176.93/4494
45.28/1150
57.68/1465
31863/14453
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)
FS 21 1/4"-5,000psi Single Ram BOP
(Shear/Hydraulic bonnet open/close)
13.21/50
14.00/53
Manual
4 1/16–5000
9.08:1
Maximum Size of Pipe Ram
16''
Studded
Flanged
179.06/4548
47.95/1218
38.70/983
21272/9649
13.21/50
14.00/53
Manual
4 1/16–5000
9.08:1
Flanged
Flanged
179.06/4548
47.95/1218
48.98/1244
22818/10350
39.89/151
33.55/127
Manual
3 1/16–5000
7.11:1
Studded
Flanged
188.07/4777
52.17/1325
40.39/1026
28043/12720
39.89/151
33.55/127
Manual
3 1/16–5000
7.11:1
Flanged
Flanged
188.07/4777
52.17/1325
52.24/1327
29762/13500
FS 21 1/4"-5,000psi Double Ram BOP
(Shear/Hydraulic bonnet open/close)
13.21/50
14.00/53
Manual
4 1/16–5000
9.08:1
Studded
Flanged
179.06/4548
47.95/1218
63.11/1603
40402/18326
13.21/50
14.00/53
Manual
4 1/16–5000
9.08:1
Flanged
Flanged
179.06/4548
47.95/1218
73.39/1864
41925/19017
39.89/151
33.55/127
Manual
4 1/16–5000
7.11:1
Studded
Flanged
188.07/4777
70.20/1783
68.07/1729
28058/12727
39.89/151
33.55/127
Manual
4 1/16–5000
7.11:1
Flanged
Flanged
188.07/4777
70.20/1783
79.92/2030
56613/25679
21 1/4"-10,000 psi (54-70) Ram BOP
Rated working pressure: 10,000psi/69MPa
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)
F 21 1/4"-10,000psi Single Ram BOP
（Shear/Tandem booster
/Hydraulic bonnet open/close）26.4/120
31.24/142
Manual
3 1/16–10000
9.55:1
Maximum Size of Pipe Ram
16''
Studded
Flanged
192.00/4877
52.32/1329
47.87/1216
33841/15350
FS21 1/4"-10,000psi Single Ram BOP
(Shear/Hydraulic bonnet open/close/Hydraulic locking)
32.78/149
27.5/125
Hydraulic locking
3 1/16–10000
7.2:1
Studded
Flanged
162.72/4133
63.23/1606
47.76/1213
34833/15800
FS21 1/4"-10,000psi Single Ram BOP
(Shear/Bonnet boltless/Hydraulic bonnet open/close/Hydraulic locking)
26.4/120
31.9/145
Hydraulic locking
4 1/16–10000
7.1:1
Studded
Flanged
164.13/4169
53.31/1354
48.94/1243
36597/16600
F21 1/4"-10,000psi Single Ram BOP(Shear/Hydraulic bonnet open/close)
26.4/120
31.24/142
Manual
3 1/16–10000
7.1:1
Studded
Flanged
192.00/4877
52.32/1329
47.87/1216
33841/15350
FS21 1/4"-10,000psi Single Ram BOP (Shear/Hydraulic bonnet open/close)
26.4/120
31.24/142
Manual
3 1/16–10000
7.1:1
Studded
Flanged
192.00/4877
52.32/1329
47.87/1216
34359/15585
FS 21 1/4"-10,000psi Single Ram BOP
(Shear/Hydraulic bonnet open/close)
26.4/120
31.24/142
Manual
3 1/16–10000
7.1:1
Flanged
Flanged
192.00/4877
52.32/1329
63.84/1621.6
38327/17385
FS 21 1/4"-10,000psi Single Ram BOP
(Shear/Hydraulic bonnet open/close/Hydraulic locking)
28.16/128
22.66/103
Hydraulic locking
4 1/16–10000
10.7:1
Studded
Flanged
162.56/4129
57.6/1463
48.36/1228.3
35431/16071
25.08/114
24.42/111
Hydraulic locking
3 1/16–10000
7.1:1
Studded
Flanged
162.56/4129
57.6/1463
47.95/1218
35071/15908
FS 21 1/4"-10,000psi Single Ram BOP
(Shear/Hydraulic bonnet open/close/Hydraulic locking)
25.08/114
24.42/111
Hydraulic locking
4 1/16–10000
7.1:1
Studded
Flanged
162.56/4129
53.11/1349
47.95/1218
35477/16092
FS 21 1/4"-10,000psi Single Ram BOP
(Shear/Hydraulic bonnet open/close)
22.22/101
26.4/120
Manual
4 1/16–10000
10.7:1
Flanged
Flanged
193.98/4927
72.64/1845
63.82/1621
39118/17744
FS 21 1/4"-10,000psi Double Ram BOP
(Shear/Hydraulic bonnet open/close)
22.22/101
26.4/120
Manual
4 1/16–10000
10.7:1
Flanged
Flanged
237.13/6023
72.64/1845
96.69/2456
69787/31655
FS 21 1/4"-10,000psi Single Ram BOP
(Shear/Bonnet boltless/Hydraulic locking)
18.79/85.4
18.35/83.4
Hydraulic locking
4 1/16–10000
6.74:1
Maximum Size of Pipe Ram 9 5/8"
Studded
Flanged
175.75/4464
57.44/1459
48.62/1235
37631/17069
● 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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