Riffle Sample Divider Testing Machine Model BS812 sed for sampling Aggregates, Ores, Refractory .Specification: It consists of a sheet metal box mounted on Legs and fitted with a series of chutes of equal width which discharge the material alternatively in Opposite Directionsinto separate pans. The chutes of the Riffle are steep enough to allow rapid flowingof theMaterialsFor the rapid preparation of samples, i.e. division into two representative portions. Detailed below is a range of dividers, each constructed of heavy gauge sheet metal with particular attention given to reinforcement of the partition to maintain the accuracy of the slot dimensions