316 stainless steel flange mounted flange 660mm OD, 200mm ID, with (12) 20mm diameter holes. no shaft Mechanical seal Varispeed pulley drive Electrically driven varispeed mechanism driven by 0.18 KW, 3/50/380/220 volt, 1380 rpm Ex motor. 950 rpm Ex flange mounted motor 80mm diameter x 390mm long with shaft connection flange 190mm OD, 80mm ID with (6) 20mm holes.