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High-Response Valves FOSA

High-Response Valves FOSA

Bucher Hydraulics AgSwitzerland

With the launch of the new FOSA high-response valve series, Bucher Hydraulics is setting a new benchmark in fluid technology. For the first time, this innovative valve combines the advantages of proportional and servo tech­nology into a…

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About this product

With the launch of the new FOSA high-response valve series, Bucher Hydraulics is setting a new benchmark in fluid technology. For the first time, this innovative valve combines the advantages of proportional and servo tech­nology into a single solution, bridging the gap between the two. While proportional valves are known for their durability and resilience but have limitations in dynamic response, servo valves offer high precision and fast response times but are more sensitive to external influences. FOSA unites the best of both worlds, redefining efficiency and performance. By leveraging cutting-edge technology, it reduces energy consumption by up to 60%, while remaining exceptionally robust and offering an outstanding price-performance ratio. Whether for high-precision control processes or demanding industrial applications, FOSA takes your hydraulics to the next level.

Outstanding torque density thanks to stepper motor drive

Electronic position feedback

Exceptionally stable, dynamic, and robust

Low hysteresis

ISO 4401 compliant for manifold mounting

Instant response behavior

Virtually load-independent operation

No pilot pressure required

Seamless integration into existing hydraulic systems via various control architectures

High corrosion resistance thanks to zinc-nickel coating

D-spool: Spool with positive overlap design, for speed and flow control, load regulation via the valve

DZ-spool: Spool with zero-lap design, for position and pressure control, highly dynamic performance

G-spool: Spool with Y-position, load control via downstream valves, hydraulic motors with overrun characteristics

FOSA high-response valves are used across a wide range of industrial and mobile applications. In particular, they provide precise control and high dynamic performance in metal forming, wood process­ing, heavy industry, and mobile attachments. With exceptional resistance to mechanical stress, temperature fluctuations, and contamination, these valves are perfectly suited for demanding environments.