Yuken Type ERBG & EDG Valve | ERBG-06-H-51 | EDG-01-H-PNT15 | Proportional Relief Valve | Sub-plate Mounting

ERBG & EDG Series Proportional Electro-Hydraulic Relief Valves

Product Overview:

The ERBG and EDG series are proportional electro-hydraulic relief valves designed for the stepless, remote regulation of hydraulic system pressure. Utilizing sub-plate mounting, these valves control system pressure linearly by varying the input current to the proportional solenoid. From the compact EDG-01 to the high-capacity ERBG-06, this series is renowned in 2026 for its superior pressure stability and minimal hysteresis in injection molding machines, hydraulic presses, and heavy-duty automated equipment.

Featured models: ERBG-06-H-51 and EDG-01-H-PNT15-5101.

Key Technical Advantages:

• Precision Proportional Regulation: High-performance solenoids ensure a linear relationship between input current and output pressure, allowing for smooth adjustment from $10 \text{ bar}$ up to $250 \text{ bar}$ (depending on H or C class).

• Reliable Sub-plate Mounting: Compliant with international standard mounting patterns, ensuring leak-free performance under high-flow conditions and simplifying maintenance for integrated manifold blocks.

• Low Hysteresis & High Repeatability: Optimized fluid channels and armature designs minimize hysteresis, ensuring consistent control accuracy across complex load cycles.

• PNT15 Enhanced Configuration: Tailored for specific electrical interfaces and ramp slope optimizations, ensuring seamless compatibility with mainstream proportional amplifiers (e.g., E-ME-AC power amplifiers).

• Integrated Pilot Control: The ERBG series features an integrated pilot stage that maintains excellent control over pressure overshoot during high-flow relief, effectively protecting hydraulic pumps and system components.

Detailed Specifications & Parameters:

• Featured Model Matrix:

  • ERBG-06-H-51: Size 06, H-class high-pressure configuration, max flow 250 L/min.

  • EDG-01-H-PNT15-5101: Size 01, small-scale pilot proportional valve, ideal as a pilot stage for larger relief valves.

• Technical Specifications:

  • Max Operating Pressure: $250 \text{ bar}$ (H-class) / $160 \text{ bar}$ (C-class).

  • Rated Flow Rate: Approx. $2 \text{ L/min}$ for Size 01 (pilot); up to $250 \text{ L/min}$ for Size 06.

  • Rated Current: $800 \text{ mA} – 950 \text{ mA}$ (typical).

  • Coil Resistance: $10 \Omega$ (at $20^\circ\text{C}$).