YOULI SN-3/1S-3/28L/G334 Hydraulic Multiple Control Valve

The YOULI SN-3/1S-3/28L/G334 Hydraulic Multiple Control Valve stands as a robust solution for sophisticated hydraulic control systems, offering precision, reliability, and efficiency. Engineered for demanding industrial applications, this valve excels in managing complex hydraulic circuits with its advanced design and high-performance capabilities. Key advantages include its multi-functional control, superior sealing technology, and durable construction, ensuring consistent operation even under severe conditions. Technical parameters highlight its robust build, featuring a nominal pressure rating of 31.5 MPa and a flow rate capacity of up to 28 L/min, making it suitable for a wide spectrum of hydraulic machinery.

Product Specifications

| Parameter              | Specification                               |

| :--------------------- | :------------------------------------------ |

| Model                  | SN-3/1S-3/28L/G334                          |

| Type                   | Hydraulic Multiple Control Valve            |

| Nominal Pressure       | 31.5 MPa                                    |

| Maximum Flow Rate      | 28 L/min                                    |

| Spool Configuration    | Typically includes multiple spool options   |

| Port Size              | Standardized industrial connections         |

| Material               | High-strength cast iron and steel components |

| Actuation Method       | Manual, Solenoid, Hydraulic, Pneumatic      |

| Operating Temperature  | -20°C to +80°C                              |

| Sealing                | Advanced seals for leak prevention          |

| Mounting               | Standard CETOP mounting interfaces          |

Core Features & Market Positioning

The YOULI SN-3/1S-3/28L/G334 distinguishes itself through its modular design and versatile spool options, allowing for tailored configurations to meet specific application requirements. Its precise flow and pressure control capabilities position it as a premium choice for industries demanding high levels of automation and operational accuracy, such as construction machinery, material handling, and manufacturing. The valve's robust construction and superior sealing technology, often exceeding industry standards, ensure extended service life and reduced maintenance downtime, thereby lowering the total cost of ownership. This combination of flexibility and durability makes the SN-3/1S-3/28L/G334 a competitive option against other high-performance hydraulic control valves in the market.

Key Application Scenarios

This hydraulic control valve is indispensable in applications requiring synchronized and precise control of multiple hydraulic functions. It is commonly found in excavators and loaders, where it directs hydraulic power to various actuators like booms, buckets, and tracks, ensuring smooth and efficient operation. In industrial automation, the YOULI SN-3/1S-3/28L/G334 is vital for controlling hydraulic presses, robotic arms, and assembly lines, enabling complex movement sequences and accurate positioning. Furthermore, its suitability for mobile hydraulic systems extends to agricultural machinery, forestry equipment, and specialized vehicles, where reliable and responsive hydraulic control is paramount for productivity and safety.

Practical System Integration Guidance

Integrating the YOULI SN-3/1S-3/28L/G334 into existing hydraulic systems requires careful consideration of port connections and system pressure. Ensure that all hydraulic lines are clean and properly connected to the designated ports (P for pressure, T for tank, A and B for work ports). For solenoid-actuated versions, verify correct electrical connections, adhering to the specified voltage and polarity to prevent damage. System flushing after installation is crucial to remove any contaminants introduced during assembly. Proper pilot pressure, if applicable, must be regulated to ensure reliable spool actuation. Consult the detailed installation manual for specific torque values for mounting bolts and port fittings.

Operation and Risk Mitigation

Safe operation of the YOULI SN-3/1S-3/28L/G334 necessitates adherence to recommended operating pressures and temperatures to prevent component failure. Regular inspection of hydraulic lines for wear or leaks is critical for preventing fluid loss and potential hazards. Ensure that all personnel operating machinery equipped with this valve are adequately trained in hydraulic system safety protocols. In case of unexpected system behavior or valve malfunction, immediately de-energize the system and consult the troubleshooting guide. Common issues such as slow spool movement might indicate internal wear or contamination, while persistent leaks often point to seal degradation requiring replacement.

Scalability & Long-Term Value

The YOULI SN-3/1S-3/28L/G334 offers significant long-term value through its inherent scalability and compatibility with evolving industrial demands. Its modular construction allows for easy re-configuration or addition of spool elements to adapt to changing operational requirements without necessitating a complete system overhaul. This makes it an ideal component for systems designed for future expansion or upgrades. Furthermore, the valve's robust design ensures longevity, minimizing the need for frequent replacements. Its ability to integrate seamlessly with modern hydraulic power units and advanced control systems, including those supporting Industry 4.0 initiatives, ensures its relevance and continued contribution to operational efficiency in sophisticated automated environments.

FAQs

Q1: What is the primary function of the YOULI SN-3/1S-3/28L/G334?

This valve precisely controls hydraulic fluid flow and direction. It enables complex sequences of operations for various actuators.

It acts as the brain for hydraulic circuits, managing power distribution effectively. Its core role is to enable multiple functions from a single source.

The SN-3/1S-3/28L/G334 ensures smooth, accurate, and responsive control in demanding industrial settings. It is key for precision hydraulic automation.

Q2: What are the key advantages of using this YOULI hydraulic valve?

It offers exceptional durability and a long operational lifespan. Its robust construction withstands high pressures and harsh environments.

The valve provides precise control over hydraulic functions, enhancing efficiency. Its modular design allows for application-specific configurations.

Its advanced sealing technology minimizes leaks, ensuring system integrity. This reduces maintenance needs and operational costs significantly.

Q3: Can the YOULI SN-3/1S-3/28L/G334 be used in extreme temperature conditions?

Yes, the valve is designed for a wide operating temperature range. It typically functions effectively between -20°C and +80°C.

However, continuous operation at the extreme limits may affect performance over time. Regular inspection is advised for prolonged use in such conditions.

For applications outside this range, consult YOULI for specialized versions or system modifications. Proper fluid selection is also critical for temperature extremes.

Q4: How does the flow rate of 28 L/min benefit hydraulic systems?

A 28 L/min flow rate supports rapid actuator response times. This is crucial for high-speed industrial processes and machinery.

This flow capacity allows for efficient operation of multiple functions simultaneously. It ensures that the hydraulic system can meet peak demand.

The adequate flow rate helps prevent system cavitation and overheating. It contributes to overall system efficiency and component longevity.

Q5: What types of actuation methods are available for this valve model?

The SN-3/1S-3/28L/G334 can be actuated manually, offering direct operator control. This is common in simpler or manually operated machinery.

Solenoid actuation allows for electrical control, enabling automation and remote operation. This is widely used in automated manufacturing and mobile equipment.

Hydraulic or pneumatic pilot signals can also be used for actuation. This provides flexibility for integration into complex control systems.

Q6: What maintenance is recommended for the YOULI SN-3/1S-3/28L/G334?

Regular visual inspections for leaks and external damage are essential. Check hydraulic fluid levels and condition periodically.

Cleanliness is paramount; ensure hydraulic system filters are maintained. Refer to the manual for specific cleaning procedures for the valve body.

Scheduled replacement of seals and wear components based on operating hours is advised. This proactive approach minimizes unexpected failures.

Q7: How is the nominal pressure of 31.5 MPa advantageous?

A 31.5 MPa pressure rating signifies high power capability. This allows the valve to drive heavy-duty hydraulic actuators effectively.

This high pressure rating ensures system stability under load. It prevents premature valve failure in demanding applications.

Systems operating at lower pressures can utilize this valve with confidence. It provides a robust safety margin for varying operational demands.

Q8: What industries commonly utilize the SN-3/1S-3/28L/G334?

The construction equipment sector frequently employs this valve. It's integral to the operation of excavators, loaders, and cranes.

Manufacturing and industrial automation sectors rely on it heavily. Applications include robotic systems, presses, and material handling equipment.

It is also a key component in agricultural machinery and forestry equipment. Its versatility suits various mobile hydraulic applications.

Q9: Is it possible to reconfigure the spool functions on this valve?

Yes, the modular design often allows for spool reconfiguration. This enables customization for different operational needs.

Consult the product manual or YOULI technical support for specific re-configuration procedures. Incorrect changes can impair valve function.

This adaptability ensures the valve remains relevant as application requirements evolve. It offers a cost-effective upgrade path for existing systems.

Q10: Where can I find detailed technical documentation for this valve?

Official YOULI product datasheets provide comprehensive specifications. These documents are usually available on the YOULI website.

The product manual contains detailed installation, operation, and maintenance instructions. Always refer to the latest version of the documentation.

Contact YOULI's technical sales or support team directly for any specific queries. They can provide expert guidance and access to all relevant literature.