Guangdong Yanhui Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of atos cetop 3 solenoid operated directional valve in China. We warmly welcome you to wholesale bulk atos cetop 3 solenoid operated directional valve for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Product Overview
▔▔The Atos CETOP 3 Solenoid Operated Directional Valve is a high-performance, direct-operated hydraulic control valve designed for directing and stopping fluid flow within hydraulic systems. Manufactured to the international standard ISO 4401 size 06 (CETOP 03 / NG6), this valve is widely recognized for its robust build, compact footprint, exceptional reliability, and high switching capacity.
Key Advantages
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High Operational Performance: Engineered to withstand maximum working pressures up to 350 bar and deliver flow rates up to 80 L/min with low pressure drop.
Standardized Compatibility: Fully interchangeable with all standard ISO 4401-06 / CETOP 3 mounting interfaces and subplates.
Wet-Armature Solenoids: Features wet-type screwed solenoid tubes that protect internal moving components while operating smoothly and quietly in hydraulic fluid.
Tool-Free Coil Replacement: Electric coils can be quickly swapped or changed across different voltages without opening or depressurizing the hydraulic system.
Versatile Spool Configurations: Offers a comprehensive range of spool types (2-position and 3-position) to accommodate various circuit logic requirements.
Durable Construction: Shell-molding cast valve body with optimized internal passages ensures maximum mechanical strength, high thermal dissipation, and long service life.
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Technical Specifications
▔▔| Parameter | Specification / Value |
| Mounting Interface | ISO 4401 size 06 / CETOP 03 / NG6 |
| Valve Type | Direct-Operated Spool Valve |
| Maximum Operating Pressure | Ports P, A, B: 350 bar |
| Maximum Tank Pressure | Port T: 210 bar (DC version) / 160 bar (AC version) |
| Maximum Flow Rate | Up to 80 L/min |
| Available Solenoid Voltages | 12V DC, 24V DC, 110V AC (50/60 Hz), 230V AC (50/60 Hz) |
| Voltage Tolerance | ±10% of nominal voltage |
| Protection Class | IP65 (Standard) / IP67 (Optional) |
| Fluid Temperature Range | -20°C to +60°C (Standard seals) / up to +80°C (PE seals) |
| Ambient Temperature Range | -20°C to +70°C |
| Recommended Fluid Viscosity | 15 to 100 cSt (ISO VG 32 to 46 standard hydraulic fluids) |
| Fluid Cleanliness Requirement | ISO 4406 class 20/18/15 (NAS 1638 class 9 recommended) |
| Duty Cycle | Continuous (100% ED) |
Applications
▔▔| Application Field | Target Equipment / System | Key Role and Function |
| Industrial Machine Tools | CNC Milling Machines, Lathes, Hydraulic Presses | Controls cylinder clamping, tool changing mechanisms, and workpiece indexing. |
| Plastics & Rubber Processing | Injection Molding Machines, Blow Molding Units | Directs hydraulic flow for mold opening/closing, ejector motion, and core pulling. |
| Mobile Machinery | Agricultural Loaders, Excavators, Construction Equipment | Manages boom, bucket, and auxiliary attachment control circuits. |
| Material Handling & Lifting | Hydraulic Elevators, Scissors Lifts, Automated Conveyors | Regulates smooth lifting, lowering, and directional platform movement. |
| Metalworking & Metallurgy | Hydraulic Shears, Bending Machines, Rolling Mills | Provides high-pressure, reliable directional switching for high-duty cycles. |
| Marine & Offshore Engineering | Winches, Deck Cranes, Steering Gear Machinery | Delivers robust actuation in harsh saltwater and humid environments. |
Related Models
▔▔| Model Code | Positions / Ports | Solenoid Quantity | Spool Function / Configuration | Spool Center Symbol Description |
| DHE-0631/2 | 2-Position / 4-Way | Single Solenoid | Spring Offset (Off-Center to Position 2) | Standard 2-position directional control |
| DHE-0610 | 2-Position / 4-Way | Single Solenoid | Spring Centered / Offset | Direct spool switching for direction change |
| DHE-0710 | 3-Position / 4-Way | Double Solenoid | Closed Center (All Ports Closed) | P, A, B, T blocked in neutral position |
| DHE-0711 | 3-Position / 4-Way | Double Solenoid | Open Center (P, A, B, T Connected) | Pump unloading and free actuator bypass |
| DHE-0713 | 3-Position / 4-Way | Double Solenoid | Tandem Center (P connected to T; A, B blocked) | Pump bypass with cylinder held in position |
| DHE-0714 | 3-Position / 4-Way | Double Solenoid | Floating Center (P blocked; A, B connected to T) | Actuator free movement in neutral position |
| DHI-0630/2 | 2-Position / 4-Way | Single Solenoid | Legacy DHI Series / Spring Offset | Compact 2-position control valve |
| SDHL-0631/2 | 2-Position / 4-Way | Single Solenoid | Compact High-Density Execution | Space-saving single solenoid design |
FAQ
▔▔Q1: What is the difference between Atos DHI and DHE series CETOP 3 valves?
Answer: The DHI series is an older generation direct-operated CETOP 3 valve, whereas the DHE series is the upgraded, higher-performance version. The DHE series features an optimized cast body design that increases maximum flow capacity (up to 80 L/min compared to 60 L/min for DHI) and improves switching efficiency while maintaining the exact same ISO 4401 size 06 mounting footprint.
Q2: Can the solenoid coils on Atos CETOP 3 valves be replaced without turning off hydraulic pressure?
Answer: Yes. Atos CETOP 3 valves utilize wet-armature solenoid tubes. The electrical coils are mounted externally onto the sealed tube and secured by a hand nut. You can easily remove and replace the coil without opening the hydraulic fluid circuit or depressurizing the system.
Q3: What hydraulic fluid and cleanliness levels are recommended for optimal performance?
Answer: The valve operates best with standard mineral-based hydraulic oils conforming to DIN 51524 standards, with a viscosity range between 15 and 100 cSt. To prevent spool sticking and ensure a long service life, system fluid cleanliness should be maintained at or better than ISO 4406 class 20/18/15 (filtered down to 10–25 microns).
Contact Us
▔▔Request a Quote Today to ensure your hydraulic system performs at its best with genuine components from Yanhui Hydraulic.
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