Understand More about Pipe Rams, Variable Bore Rams and Shear Rams
vbr variable bore ram assembly for| Alibaba.com
China Chinese made Type U Pipe Ram Assembly factory and suppliers | Petroleum
variable-bore rams (VBRs) enable you to seal a standard BOP on several different pipe diameters, improving operational efficiency and certainty during... | By Alam Alsahara for Petroleum Services; Training; Consulting & Supplies
U and UM BOP Variable Bore Ram - CAMTOP SHANGHAI MACHINERY EQUIPMENT CO.,LTD