This BOP is comprised of the blind ram assembly, the pipe ram assembly and the house, which has functions of both the blind ram BOP and the pipe ram BOP.

• 这种新型封井器主要由半封总成、全封总成和壳体三大部分组成,兼具半封封井器和全封封井器的优点和功能,并使半封闸板与现场使用的半封封井器闸板通用。