Roller standard: φ360×1120 Roller height: 0.08/0.00/0.00/0.08/ (beside /up /middle /down) Roller speed ratio: 0.73:1:1:0.73 Medium roller linear velocity ratio: 7.0-20.0m/min Pre-open rolls: φmax=600mm Drying/cooling roller : φ570×1200mm