Yuken MPW-03-4-20 Hydraulic Check Valve MPW03420

Description:

The Yuken MPW-03-4-20 Hydraulic Check Valve is used in hydraulic systems to allow free flow in one direction and controlled reverse flow via pilot pressure. Commonly installed in hydraulic power units, industrial presses, injection molding machines, and automated production equipment. Maintenance teams and system integrators use this part for load holding, circuit locking, retrofit, and replacement of faulty pilot operated check valves.

Applications:

The Yuken MPW-03-4-20 hydraulic check valve is used in hydraulic circuits where secure load holding and controlled actuator movement are required. It is widely applied in lifting systems, clamping operations, presses, and automated machinery to prevent unintended movement, maintain actuator position under load, and ensure safe and stable operation.

Technical Specifications:

• Manufacturer Part Number (MPN): MPW-03-4-20
• Product Type: Pilot Operated Hydraulic Check Valve
• Size: NG10 / CETOP 5 (03 Size)
• Mounting Type: Sandwich plate / stack mounting (ISO 4401)
• Function: One-way flow with pilot-assisted reverse flow
• Circuit Type: Double pilot operated (4-port configuration)
• Maximum Operating Pressure: Up to 315 bar
• Flow Capacity: Up to approximately 60–80 L/min
• Fluid Type: Hydraulic oil (mineral-based fluids)
• Temperature Range: -15°C to +70°C
• Construction: High-strength steel body

Common Replacements:

• Yuken MPW-03-4-40
• Yuken MPB-03-4-20
• Nachi O-G03-P2-10