显示标签为“shear and blind shear; and are offered for mid to large bore”的博文。显示所有博文
显示标签为“shear and blind shear; and are offered for mid to large bore”的博文。显示所有博文
2016年11月16日星期三

Ram Bop(pipe, blind, shear and blind shear)

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BOP Rams, or ram blocks, consist of four common types: pipe, blind, shear and blind shear; and are offered for mid to large bore, high press...