... well-distributed and adjustable feeding 4.ISO9001:2000 Summary 1 K-4 Reciprocating feeder. ISO9001:2000 certificate 2 Applicable to ... composed by rack, backplane ( the coal chute), transmission platform, hopper gates, rollers, etc. 5 the feeder can be devided into two ... .5Speed r/min720720720970970Max feed sizemmBelow 10% content250350400500700Above 10% content200300350450550 K-4 Reciprocating feeder.