... concentration range of the feedforward and feedback,add to set the concentration range of options to add other methods.5 Annex rich6 Past ... unit21.0cube,steel rubber lining13 metering pump unit2 0~250L/h,10bar14 blender unit2 0.75KW,150rpm15 content gauge unit2magnetic flap,range0 ... -1meter16 control cabinet unit1protection gradeIP55 JY102/I-1.0-120/0.7 Industrial chemical dosing unit machine