Buy and Sell Used Imp Mills at Equipment. Used CE Raymond 35" Vertical Mill System, Carbon Steel Approximate 35" diameter x 32" tall chamber with 2 1 4 hinged doors 1 Top 22" diameter fan wheel, 2 32" diameter whizzers with 6 blades each, bottom disk with 12 hammers, all mounted on a single vertical shaft Driven by a 250 hp, 3 60 230 460 volt, 3575 rpm motor