50 Cu.Ft. Patterson Kelley Co. Twin Shell "V" Blender. Max Density 90lbs./Cu.Ft. 304 Stainless Steel Construction. Precise blending of dry powders. 18" Stainless Steel access cover for quick batch loading. Product is discharged though a 16" pnuematic wafer valve. Shell and frame are constructed of 304 stainless steel. Max Density 90lbs./cu.ft. Shell speed 1.28 to 12.80 R.P.M. Equipped with a 7 1/2 HP drive and a Reeves Vari-speed gear reducer. Drive controls are in a Nema-7 enclosure wired for 460 Volts 3 Phase. 115 Volt control circuits.