Normas ISO

Hydraulic fluid power -- Valves -- Determination of pressure differential/flow characteristics

Hydraulic fluid power -- Positive displacement pumps, motors and integral transmissions -- Determination of steady-state performance

Hydraulic fluid power -- Fluid contamination -- Determination of particulate contamination by the gravimetric method

Fluid power systems and components -- Connectors and associated components -- Nominal outside diameters of tubes and nominal inside diameters of hoses

Fluid power systems and components -- Cylinders -- Piston rod thread dimensions and types

Fluid power systems and components -- Cylinder barrels-- Part 1: Requirements for steel tubes with specially finished bores