Annular Blowout Preventer
According to the structure of the packing unit,The annular blowout preventers are divided into the tapering packing unit annular BOP and the spherical packing unit annular BOP.
The features of tapering packing unit annular BOP:
1. The tapering packing units are exchangeable with the HYDRIL 's
2. the added wear-belts to the original design can prevent and improve the Cylinder-grinding because of unbalanced loading.
3. The fortified rings can lift the whole BOP stack
4. Screws connection type is convenient for assembling/disassembling and exchange of the packing units.

Product Feature
The specifications and the parameter
13 5/8" 10000/15000psi Annular BOP
Bore:13 5/8
Working pressure:10000psi
Top connection:13 5/8" 10000psi 6BX BX159 SST Studded
Bottom connection:13 5/8"1500psi 6BX BX159 SST Flanged

Other Information

The features of Spherical packing unit annular BOP
1. The spherical packing units are exchaangable with the SHAFFER'S
2. The added wear-belts to the original design can prevent and improve the Cylinder-grinding because of unbalanced loading