The MOOG D636-433-0001 is a high-performance, direct-driven servo-proportional valve designed for precise and dynamic control in demanding hydraulic systems. This 4/3-way valve features integrated digital electronics, ensuring excellent response times and high accuracy. Its robust construction and direct drive technology with a permanent magnet motor minimize wear and provide long-lasting, reliable operation without pilot flow. Ideal for applications requiring closed-loop control of position, speed, or pressure, the D636 series is a benchmark for performance in industrial hydraulics.