Rosemount 8800 Dual Vortex provides redundant flow measurement solution. 8800 Dual Vortex Flow Meter provides protection against false openings by using one or two of the two openings. 8800 Dual Vortex Flow Meter offers first-class reliability with a sealless, non-clogging counter body that eliminates potential leak points, provides maximum process availability and less unplanned shutdowns.