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Effective element of a limited angle rotary actuator with mostly a rectangular cross-section that is fastened to the shaft and to which a flow of hydraulic fluid is applied.

Element for connecting pipes that permits rotation at the joint (Figure D 36) . Rotary pipe joints are required wherever hydraulic energy must be routed from a stationary part of a machine to a moving

Rotary joint for the flow of hydraulic fluid between a stationary and rotating part of the machine. Multiway rotary transfer joints : Rotary transfer joints for supplying one or more loads with pressu

Screen filter

Perceivable and measurable change in frequency during the propagation of waves caused by the relative motion between the source and observer. Four different cases must be taken into account for the ca

Cylinder in which a pressure difference can act in both directions (forward and return stroke) ( ISO 1219-1 ). Double-acting cylinders have two surfaces that act in opposite directions. The surfaces a

Hand pump

Combined piston

Multiple pumps

Distance covered by a piston from the starting point to an end point and back to the starting point. Forward stroke : extension of a piston (mostly the same as the working stroke), Return stroke : ret