The hydraulic system: the basic idea

How a hydraulic system works in elevators

The basic idea of any hydraulic system is very simple: the pressure applied at a given point is transmitted with the same intensity to each point within it by means of an incompressible fluid (for example oil or water).

Components of a hydraulic elevator: What they are and what they are for

gmv elevator valve group

Article updated: 02-07-2026 Summary: A hydraulic elevator consists of a hydraulic power plant (motor, pump, tank and valve group), conduits, piston, operating panel, technical cabinet, chassis, cab, guides and doors. The power plant can be submerged (silent and the most common in homes) or with an external DRY engine (up to 20% energy saving and […]