Variable Bore RAM Shaffer Type Rubber VBR Packer 

Variable Bore RAM Shaffer Type Rubber VBR Packer A kind of size of the packing element can be applied to several different size of the drill tools, especially suitable for combination tool and hexagonal drill pipe , There is no need to change ram frequently for different size of drill tools in the whole process. Product Description   Model Number VBR RAM Packer Application Oil Field Drill Through Features High-Quality& Independent R & D Condition Used Production Capacity 500/M…