... 500x300x400mmOil always weighs 185 KGHydraulic oil 46 #Double-acting cylinder yesDie loading instruments noElectronic limit switch noPressure ... drive, output hydraulic oil, promote withhold oil cylinder inside the plunger motion, cause mould base radial ... automatically stop, electromagnetic directional valve reversing, oil cylinder inside the plunger backward movement, mould stretched subsequently ...