Fluid pressure in one section of a hydraulic system is limited by a:

Fluid pressure in a hydraulic system is primarily regulated by a reducing valve. This component is designed to intentionally lower the pressure from a higher pressure source to a desired, lower pressure level in the system. The reducing valve maintains this lower pressure by allowing fluid to flow through while adjusting the orifice size as needed based on the fluctuations in demand or back pressure.

In a typical hydraulic circuit, maintaining specific pressure levels is crucial for ensuring the safety and efficiency of system operations, particularly when different components (like cylinders, motors, etc.) require different operating pressures. The reducing valve plays a critical role in achieving these requirements by automatically adjusting the flow and pressure.