12/07/2014 · 15 Standard widths of the belt are as follows 3Ply 25 40 50 63 76 4Ply 40 44 50 63 76 90 100 112 125 152 5Ply 76 100 112 125 152 6Ply 112 125 152 180 200 dcorrected FkWkW ×= max)()( For HISPEED belt, Corrected kW rating= () For FORT belt, Corrected kW rating= () SELECTION OF VBELTS Dimensions of standard .