Triplex Pre-Heater Pre-heating roll diameter:600/750/900/1000/1100mm Available width:1400mm-2500mm Triplex Pre-Heater l Preheating area is electrically adjusted.l Preheating roll is optional for fixed type, self-rotation type and electrically driven rotation type.l Roll's capped end is optional for tray type or flat type.l Multiple pre-heater is combined by several pre-heaters.