Hebei E-valves Petroleum Equipment Co., Ltd.
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HRSB 9 Inch Packing Element Annular Bop API Spec.16A
Packing Element Annular Bop Characters:
In the structure, it is divided into annular BOP with a spherical plastic core, annular BOP with a tapered plastic core, and BOP with a tube-shaped plastic core. Annular BOP top cap and housing are connected by bolts or claw blocks.
Blowout preventer with a spherical plastic core and dust-proof ring.
Performance characteristics: reasonable structure, easy operation, long life of plastic core, adapt to a wide range, capable to seal pipe string with nominal paths from 0-DN in ans shapes, better performance by combining with ran blowout preventer in the use.
Annular BOP Packing Element Parameters
| working pressure MPa(psi) | Bore mm(in) | ||||||
| 179(7 1/16") | 228(9") | 279(11") | 346(13 5/8") | 527(20 3/4") | 540(21 1/4") | 750(29 1/2") | |
| 70(10000) | √ | √ | √ | ||||
| 35(5000) | √ | √ | √ | √ | √ | ||
| 21(3000) | √ | √ | √ | ||||
| 14(2000) | √ | ||||||
| 4(500) | √ | ||||||
Packing Element Annular Bop Features
1. By API Spec.16A
2. All the parts are original or interchangeable
3. Reasonable structure, easy operation, long life of plastic core
4. Adapt to a wide range, capable to seal pipe string with nominal paths from 0-DN in and shapes, better performance by combining with ran blowout preventer in the use.