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API standard Caremon and Shaffer Annular Blowout Preventer (BOP) with spherical rubber
- Manufacturer: Shaffer
Products Description annular BOP 1.Annular BOPs are designed to form a seal in the annular space between the drill pipe and the wellbore and are usually mounted at the top of the BOP stack. 2.Annular BOP is used ...
$1,000 USDJiangsu, China