Parker Hannifin FM320 FM3-20MB hydraulic control valve is a double throttle check valve designed for precise flow control in hydraulic circuits. The FM320 FM3-20MB designation identifies this unit within Parker’s FM-series hydraulic control valves, highlighting the double throttle check configuration and its intended role in regulating directional flow. In applications requiring backflow protection and regulated throttling within a single valve body, this model provides a compact solution with a dedicated double-throttle check arrangement.
