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Help CenterU - Shaped Ram BOP
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STRUCTURE FEATURES
1.The pressure-bearing components are forged, so it
has better strength and impact toughness;
2.Floating sealing is applied to the cylinder cover and the
open/close of the cover is realized by hydraulic power, so it is
quick and convenient for changing rams;
3.The auxiliary oil cylinder affords a smaller volume with same function;
4.The ram rubber has massive storage volume, and it adopts self-contained sealing;
5.The standard configuration includes a manual locking device, which ensures the ram is closed tightly in case there is a hydraulic pressure loss;
Both the manual and hydraulic locking device and the auxiliary oil cylinder can be installed flexibly into different positions according to customers’ requirements, and the installation positions can be changed easily.
U- Shaped Ram BOP
|
Type U BOP operation data and needed oil quantity |
Shear ram chamber operation data and needed oil quantity |
|||||||||
Drift diameter/ pressure |
Oil quantity for opening the ram ( L/set) |
Oil quantity for closing the ram ( L/set) |
Circle number of locking shaft |
Closing ratio |
Opening ratio |
Oil quantity for opening the ram ( L/set) |
Oil quantity for closing the ram ( L/set) |
Circle number of locking shaft |
Closing ratio |
Opening ratio |
|
7 1/16” / All pressure |
4.6 |
4.6 |
18 |
6.9:1 |
2.2:1 |
- |
- |
- |
- |
- |
|
11” / the pressure except 15000psi |
10.6 |
11 |
30 |
7.3:1 |
2.5:1 |
25.8 |
26.5 |
30 |
12:1 |
4.8:1 |
|
11”/ 5000psi |
21.6 |
21.9 |
31 |
9.8:1 |
2.2:1 |
33.7 |
34.1 |
31 |
15.2:1 |
3.7:1 |
|
13 5/8” / the pressure except 15000psi |
20 |
21 |
37 |
7.0:1 |
2.3:1 |
39.8 |
41.3 |
37 |
10.8:1 |
4.5:1 |
|
13 5/8” /15000psi |
39.4 |
4.2 |
45 |
10.6:1 |
3.6:1 |
60.6 |
61.4 |
45 |
16.2:1 |
6:1 |
|
20 3/4” / 3000psi |
16.7 |
17.7 |
48 |
7.0:1 |
1.3:1 |
54.2 |
56.4 |
48 |
10.4:1 |
4.4:1 |
|
21 1/4” / 2000psi |
16.7 |
17.7 |
48 |
7.0:1 |
1.3:1 |
54.2 |
56.4 |
48 |
10.4:1 |
4.4:1 |
|
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