Yuken MBB-03-H-20 Relief Modular Valve MBB03H20

Description:

The Yuken MBB-03-H-20 Relief Modular Valve is used in hydraulic systems for controlling and limiting pressure in the B-line of a modular valve stack. Commonly installed in hydraulic power units, machine tools, and industrial automation systems requiring pressure protection and regulation. Maintenance teams, OEMs, and system integrators use this part for valve replacement, system protection, and hydraulic circuit optimization applications.

Applications:

The Yuken MBB-03-H-20 is used in hydraulic systems across manufacturing plants, presses, and automation equipment requiring controlled pressure relief on specific circuit lines. It is typically mounted in modular valve stacks (ISO 4401 interface) to protect actuators and components from overpressure while maintaining stable system performance in industrial environments.

Technical Specifications:

• Brand: Yuken
• Part Number: MBB-03-H-20
• Product Type: Modular Relief Valve (B-Line)
• Series: 03 Series Modular Valve (CETOP 3 / ISO 4401)
• Function: Pressure relief and system protection (B-line control)
• Pressure Adjustment Range: Approx. 3.5–31.5 MPa (≈510–4570 PSI)
• Max Operating Pressure: Up to 31.5 MPa (≈4570 PSI)
• Max Flow Capacity: Up to 70 L/min (≈18.5 GPM)
• Mounting: Sub-plate / stackable modular mounting (ISO 4401)
• Adjustment: Manual pressure adjustment screw with lock nut
• Valve Type: Direct acting modular relief valve
• Application: Hydraulic pressure limiting and overload protection
• Industrial Use: Hydraulic machinery, presses, automation systems

Common Replacements:

• Yuken MBA-03-H-20 Relief Modular Valve (A-Line)
• Yuken MBP-03-H-20 Relief Valve (P-Line)
• Yuken MBW-03-H-20 Relief Valve (A & B Line)