... :API 6AApplication:well drillingMaterial:forged steel/cast steel Ram blowout preventer (Ram BOP) is the important equipment widely used in ... onshore and offshore drilling.Ram BOP, such as single ram BOP, double ram BOP, triple ram BOP,quadplex Ram BOP, are mainly hydraulic ... and can be used to replace Shaffer ram BOP, Cameron ram BOP, or Hydril ram BOP. Ram BOP is mainly composed of housing, ...