Bieri provides a complete range of high pressure hydraulic components including pumps (axial and radial piston pumps, single or multiple outlets), seated valves (manually or solenoid operated), pressure valves (pressure relief valves, unloading valves,  pressure reducing valves, load holding and lowering valves), flow control valves (orifice plates, throttle valves), non-return valves (shut-off valves, pilot operated check valves), manual gate valves, pressure switches, oil level switches for flows up to 12l/min or 25l/min.

Their standard components and special solutions are used in mechanical engineering, oil, shipbuilding, medical technology, power stations and high-voltage circuit breakers, mining, defense, public transport, paper, food, construction, and in many other areas of industry.

Bieri also delivers complete solutions and systems for any kind of hydraulic use and pressure range.