21 1/4" 2000PSI ANNULAR BOP
(1)API Spec 16A
(2)NACE MR-01-75
(3)H2S
(4)API Q1&ISO 9001

21 1/4" 2000PSI ANNULAR BOP

BORE                                     21 1/4"

WORKING PRESSURE             2000PSI

TOP CONNECTION                 21 1/4" 2000PSI 6BxR73 CRA Studded

Bottm connection                   21 1/4" 2000psi 6BxR73 CRA Flanged

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

>>The tapering packing units are exchangeable with the HYDRIL's

>>The added wear-belts to the original design can prevent and improve the cylinder-grinding because of unbalanced loading.

>>The fortified rings can lift the whole BOP stack.

>>Screws connection type is convenient for assembing/disassembling and exchange of the packing units