Vrieco Nauta orbital screw mixer 15 PSIG @ 275 degrees F internal ASME Code stamped Internals have a 180 grit polished finish. All Welds ground smooth, and screw is also polished with a 180 grit finish With 30HP 3/60/230/460V screw drive 3HP 3/60/230/460V arm motor Dust collector: 10' 6" long, 4'10" wide, 3'4" high, weight 800lbs.