FZ35-70 BOP Variable Bore Ram

Variable Bore RAM Feature of BOP Spare Parts:
It is applicable to existing well control BOP ordinary ram block, as long as existing ordinary ram block is available, it can be used to install the new utility model variable packer;
A kind of VBR Packer can be applied to seal on a variety of specifications drill pipe within acertain range.
For 3 1/2” ～ ～ 5” VBR Packer, it can be installed on 5” ordinary ram block to seal on 3 1/2”, 4” ,4 1/2”and 5” drill pipe, thus reduce the store and change of these three kinds of ordinary ram packers and ram blocks; save and reduce a lot of manpower , materialresources and financial resources; speed up the drilling progress; when change the ram assembly, greatly reduced the risk of well control.
Temperature Range:—45 ℃~180℃