jacketed rotary vacuum dryer shaft 50 psi @ 300 degrees F (3) carbon steel jackets (1-straight side and 1-each end) Rotary union joint, outbaord bearings Openings: top (2) 3' x 18 1/2" hinged covers with counter balanced mechanism, 2-12"; end 1-8"; botttom 1-10" with manual open/close mechanism; jkt 4-6", 4-2", 4-1", 4-3/4"; shaft 1-2", 1-1 1/2"