Atos DSE3 DSE5 Proportional Valve | Electro-Hydraulic Directional Valve Replacement

Genlu Hydraulic proudly introduces our precision-engineered DSE3 and DSE5 Series proportional solenoid directional valves, the essential components for high-precision flow and directional control in industrial automation. This series serves as a precise match for Atos technical specifications, encompassing models like DSE3-C08/10N-D24K1, DSE3-C08/11N-D24K1, and standard DS3/DS5 configurations. Genlu unequivocally guarantees 100% Drop-in Interchangeability in mounting interfaces, spool logic, electrical connection configurations (proportional solenoids), and dynamic response characteristics. Backed by our uncompromising 100% Simulation Load Testing, each proportional valve is validated for linearity, hysteresis, and repeatability before dispatch, ensuring exceptionally smooth response and superior control precision for your closed-loop hydraulic systems.

Technical Specifications 

• Product Series: Atos DSE3 / DSE5 Series Proportional Solenoid Valve

• Representative Models: DSE3-C08/10N-D24K1, DSE3-C08/11N-D24K1

• Rated Operating Pressure: 350 bar (P, A, B ports); 210 bar (T port)

• Rated Flow: Application-dependent (Based on spool function/pressure drop)

• Electrical Control: DC 24V Proportional Solenoid (D24K1 Series)

• Control Precision: Hysteresis < 3%, Repeatability < 1%

• Mounting Type: ISO 4401 Sub-plate mounting (Cetop 03 for DSE3; Cetop 05 for DSE5)

• Protection Class: IP65

Key Technical Advantages:

• Ultra-Low Hysteresis & High Responsiveness: Proportional solenoids feature specialized magnetic alloys and optimized flux geometry, minimizing hysteresis. This ensures high-linearity correspondence between control signals and spool displacement, significantly enhancing dynamic system response.

• Nano-Precision Spool-Body Interface: Spool and housing bores undergo precision CNC grinding to sub-micron clearances. This maintains effortless spool movement while suppressing internal leakage, enabling accurate flow adjustments even at minimal opening positions.

• Interference-Resistant Solenoid Design: Solenoid housings are enhanced with shielding to mitigate electromagnetic interference. This ensures stable valve response even in environments with high-power frequency drives or heavy electrical noise, eliminating jitters or drift.

• Versatile Spool Configurations: Available in a range of standard proportional control logic functions, allowing flexible configuration to match system load demands. This achieves smooth acceleration/deceleration transitions, eliminating mechanical shock during start-stop cycles of hydraulic actuators.

Application Areas:

• Servo-Control Systems: Injection speed control for plastics machinery, precise position synchronization for presses.

• Automation Lines: Synchronous drive control for high-speed conveyors, precise positioning for assembly machines.

• Industrial Robotics: Load-sensing hydraulic arms, multi-axis coordinated actuators.

• Test Benches: Hydraulic pump/motor performance testing, pressure control circuit validation.

Expert Maintenance Tips:

• Amplifier Matching: Proportional valves must be driven by compatible electronic controllers (amplifiers). Ensure output current matches the solenoid impedance; never connect directly to standard switching power supplies to prevent coil overheating.

• Cleanliness Dictates Longevity: Proportional valves have much finer tolerances than standard valves. Ensure your system utilizes 5μm or finer filtration. Minor solid particles can cause spool jamming, directly degrading closed-loop control accuracy.

• Return-Line Backpressure: Ensure T-port backpressure remains below 2 bar. Excessive backpressure alters spool force balance, which shifts the control characteristic curves and compromises system precision.