Marine series hydraulic cylinders are designed for marine environment with design pressure 25 Mpa and 28MPa. It is widely used on marine equipments such as hatch cover, ship crane, davit, door systerm of RoRo ship and ect.The design is according to the classification society rules specified by customers such as ABS, BV,CCS,,DNV,GL,LR and etc.Cylinder tube : Q345D(355J2H), Honed inside, tolerance ...