... 16A Ram BOP 2, Bore dia.: 7 1/16"-26 3/4" 3.Pressure:14MPa to 140MPa 4.Cameron and Shafer 5 ... .forged and casting Ram BOP Specifications 1) According to the number of ... can be divided into: Single ram, double ram and three ram BOP, which are respectively installed with one ram, two rams or three rams ...