Paper Roll Clamp:Meeting the paper roll industry's need for damage free roll handling with maximum efficiency, VIMAR offers a full line of paper roll clamps and roll clamp damage reduction options to handle paper rolls regardless of diameter, weight or type of paper. VIMAR's rugged paper roll clamps handle paper rolls of every size for industries from stevedoring to printing.1. Eaton powerful hydraulic motor and Heavy duty gearbox provide superior service life.2. All clamps are designed for heavy duty even in the toughest environments.3. All clamps are designed for easy maintenance with less service cost.4. A variety of contact pads and accessories are available for your different working conditions.5. 2 pieces of truck auxiliary valves are necessary. 140bar≤ Working Pressure ≤180bar.6. Fitting Screw M18X1.5-74°(concave); Recommended Hydraulic Pipe internal diameter = 10mm .