Nachi SWM-G02 Solenoid Valve | High-Performance Directional Valve Replacement

Genlu Hydraulic proudly introduces our precision-engineered SWM-G02 Series solenoid directional valves, the gold standard for high-precision fluid switching in industrial automation and integrated hydraulic manifolds. This series serves as a precise match for Nachi technical specifications, encompassing configurations such as SWM-G02-C4-D12-30-H005 and SWM-G02-C4-D12-30-S003, and fully compatible with industrial standard sub-plates. Genlu unequivocally guarantees 100% Drop-in Interchangeability in sub-plate mounting interfaces, spool functions, electrical connection configurations, and pressure-response characteristics. Backed by our uncompromising 100% Simulation Load Testing, each valve is validated for high-frequency response, static sealing performance, and solenoid endurance before dispatch, ensuring relentless reliability and agile directional control in demanding, high-pressure industrial production environments.

Technical Specifications 

• Product Series: Nachi SWM-G02 Series Solenoid Directional Valve

• Representative Models: SWM-G02-C4-D12-30-H005, SWM-G02-C4-D12-30-S003

• Rated Operating Pressure: 210 bar (3000 psi)

• Rated Flow: Up to 30-40 L/min (Depending on pressure drop)

• Coil Voltage: DC 12V (D12 Series)

• Spool Function: C4 (Standard center function)

• Mounting Type: Sub-plate mounting (CETOP standard)

• Protection Class: IP65 (Dust-tight and water-jet resistant)

Key Technical Advantages:

• High-Frequency Electromagnetic Response: Featuring specialized alloy magnetic coils and lightweight spool geometry, we have dramatically reduced inertial lag. This ensures millisecond-level directional switching upon receipt of electrical signals, significantly enhancing actuator synchronization.

• Nano-Precision Spool-Body Interface: Spool and housing bores undergo precision CNC grinding to achieve nano-scale clearance control. This maintains effortless operation while minimizing internal leakage, ensuring pressure stability even under high-load conditions.

• Endurance-Engineered Solenoid Coils: Coils are encapsulated in heat-resistant, vibration-dampening compounds. This maintains optimal temperature ranges even under 24/7 high-frequency cycling, effectively preventing insulation degradation and solenoid burnout.

• Flow-Optimized Internal Channels: Internal flow paths are optimized via CFD simulation, ensuring streamlined flow transition within a compact architecture. This significantly reduces pressure drops across valve ports, maximizing overall system energy efficiency.

Application Areas:

• Industrial Machine Tools: Hydraulic circuit switching for CNC machining centers and tooling fixtures.

• Light Automation Lines: Diverter control for conveyor systems, positioning, and clamping for assembly machines.

• Agricultural & Forestry Machinery: Power-on/off control for small-scale hydraulic actuators.

• Plastic & Rubber Machinery: Flow control for auxiliary mold operations and servo-actuator functions.

Expert Maintenance Tips:

• Sub-plate Sealing Integrity: During replacement, always use the dedicated O-ring seals provided. Never reuse deformed seals, as high-pressure startup can easily cause catastrophic seal blow-out and system pressure loss.

• Electrical Parameter Matching: For D12 models, ensure the DC power source ripple voltage is below 5%. Excessive voltage ripple can lead to insufficient solenoid clamping force or permanent coil damage.

• Fluid Cleanliness Standard: We strongly recommend a 10μm precision pressure-line filter. Given the precision clearances within the valve, metallic debris or rubber fragments must be kept out of the system to prevent spool sticking or valve locking.