... 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 operated or ... 16A, and can be used to replace Shaffer ram BOP, Cameron ram BOP, or Hydril ram BOP. Ram BOP is mainly composed of housing, side gate, ... product has the following characteristics: 1- The combined type hinge seat makes it's convenient to maintain and ...