Air cylinders are pneumatic linear actuators that are driven by a pressure differential in the cylinder's chambers.

Air springs use a contained column of air inside an elastomeric bellows or sleeve to buffer cyclic motion, provide vibration isolation, or serve as a pneumatic actuator

Air valves allow metered fluid flow in one or both directions.

Dynamic seals include oil seals, hydraulic and pneumatic seals, exclusion seals, labyrinth seals, bearing isolators, and piston rings.

Oil seals and grease seals have a flexible lip that rubs against a shaft or housing to prevent the leakage or ingress of fluids and dirt.

Tubing is used to transport fluid and gas in pneumatic, hydraulic, or process applications.

Hydraulic accumulators use an incompressible fluid and a compressed gas, spring or raised mass to store energy, absorb shock, eliminate noise, and counter-balance loads.