... .Material:forged steel/cast steel 7 1/16'' Hydraulic Dual Ram BOP Standard:API 6AApplication:well drillingMaterial:forged steel/cast steel Hydraulic ... , and can be used to replace Shaffer ram BOP, Cameron ram BOP, or Hydril ram BOP. Hydraulic BOP ram adopts hydraulic pressure to close and open the ... , chock valve, etc)3) Fitting(union, manifold,elbows).4)Bop(Annular/ram) 7 1/16'' Hydraulic Dual Ram BOP