Annular BOP
Product Name
Hydril MSP type
Hydril type(Latched-Cover Head type)
Hydril type(Screw-Cover Head type)
Shaffer type(Bolt-Cover Head type)
Shaffer type(Wedge-Cover Head type)
Description
The design and manufacture of Annular BOP is according to API Spec 16A standard.
Packing element is spherical or tapered type with massive storage volume, low operation pressure and excellent sealing function.
Bonnet is hemispherical-shaped, so there is no stress concentration on bonnet whenever bearing the pressure. so the pressure is evenly distributed; convenient for disassembly and assembly (except FHZ5414)
Piston is set in low position to have a shorter moving distance; Use wear ring on piston.
Lip type seal rings are used to realize long service life
Annular BOP Size and Models
|
Annular BOP Classification |
|||||
|
Operating pressure (psi) |
Drift diameter (in) |
||||
|
7 1/16 |
11 |
13 5/8 |
20 3/4 |
21 1/4 |
|
|
2000 |
Flange connection (bolted) |
Flange connection (bolted) |
Flange connection (bolted) |
- |
Conical |
|
3000 |
Flange connection (bolted) |
Flange connection (bolted) |
Flange connection (bolted) |
Conical |
- |
|
5000 |
Flange connection (bolted) |
Flange connection (bolted) |
Flange connection (bolted) |
- |
- |
|
10000 |
Flange connection (bolted) |
Wedge block connection |
Wedge block
connection |
- |
- |
Note: S – Shaffer type H – Hydril type
