U Type RAM Bop 7 1/16" - 21 1/4" Bop Blowout Preventer for Wellhead Control ‘U’ type Ram Blowout preventers ‘U’ type blowout preventers are the most widely used Ram-type BOP in the world. Without lightweight and lower profile, reliability is always the first priority during the design and manufacturing of BL ‘U’ type BOPs. It is designed so that hydraulic pressure opens and closes the bonnets thus fulfill the easy & quick ram change-out. All parts of our ‘U’ BOPs are matched