... to install; 3.Use the oriented copper cover HOB Hydraulic Oil Cylinder SeriesFeatures: 1.Simple structure, easy to ... ,machine tool,automobile,mechanical agriculture,woodworker.Directional Control Valve, Pressure Control Valve, Flow Control Valve, Proportional Valves, Modular ... designed according to customers specific requirements. HOB Hydraulic Oil Cylinder Middle or High Pressure Hydraulic Element