Proportional Directional Valve

Supplied by Huafilter with direct factory sourcing from Beijing Huade Hydraulic—whose manufacturing foundations stem from long-term technical cooperation and joint ventures with Rexroth since 1979. Proportional directional spool valves engineered for automated speed profile modulation and smooth cylinder acceleration/deceleration. Full dimensional and functional interchange for Rexroth 4WRA 6/10, 4WRE with LVDT electrical position feedback, and two-stage 4WRZ pilot-operated series. Provides progressive metering notches and minimal deadband, ensuring high dynamic response for robotics, die casting machines, and automated heavy conveyors.