The Moog D634-534 is a high-performance, direct-driven servo-proportional valve from the D634 series. It features integrated digital electronics, providing precise and dynamic control of fluid flow in demanding hydraulic systems. The direct drive design, utilizing a permanent magnet linear motor, ensures excellent response times, high resolution, and minimal hysteresis, making it ideal for closed-loop control applications. This valve is engineered for reliability and long service life in industrial environments such as plastics machinery, metal forming presses, and test equipment where accurate motion control is critical.