Electro-Hydraulic Actuator
Electro-Hydraulic Actuator
The Electro-Hydraulic Actuator (EHA) from SUDE Engineering Pvt. Ltd. combines the power density of hydraulics with the precision of electrical control. Designed as a self-contained motion control system, it integrates motor, pump, reservoir, and electronic control components into a single compact unit.
EHAs deliver high force output, precise positioning, and reliable fail-safe operation without requiring external hydraulic power units, making them ideal for critical valve control and heavy-duty automation across oil & gas, power plants, steel industries, and marine applications.
Technical Specifications
Parameter
Type
Linear / Rotary Electro-Hydraulic Actuator
Operating Pressure
Up to 210 Bar
Output Force / Torque
Linear up to 300 kN / Rotary up to 50,000 Nm
Stroke Range
50 mm to 1500 mm
Power Supply
24V DC / 110V AC / 230V AC / 415V AC
Hydraulic Fluid
Mineral Oil / Fire-Resistant Fluids
Temperature Range
–20°C to +85°C
Control Modes
On/Off / Modulating / Positioning / Fail-Safe
Enclosure
IP65 / IP67 / Flameproof (optional)
Feedback
Potentiometer / Encoder / 4–20 mA / Digital
Duty Cycle
70% to 100%
Design & Construction:
Integrated self-contained hydraulic system includes motor, pump, reservoir, valves, sensors, and electronic controller within a compact enclosure for efficient and maintenance-friendly operation.
Working Principle:
Working Principle
An electric motor drives an internal hydraulic pump that pressurizes fluid inside the actuator. Controlled hydraulic flow moves the piston or rotary mechanism while feedback sensors provide continuous position monitoring, enabling accurate and repeatable motion control.
Automation & Control Options:
- Automation & Control Options
Key Features & Advantages
- High power density in compact size
- Self-contained hydraulic system
- Fail-safe emergency operation
- Modular and maintenance-friendly design
- Suitable for hazardous and harsh environments
Optional Accessories:
- Position encoder
- Electro-hydraulic controller
- Flameproof enclosure
- Fieldbus communication module
- Remote control interface
Industries Served
Oil & Gas Pipelines
Power Plants
Steel & Foundry Industries
Heavy Industrial Automation
Typical Applications:
Gate, globe, ball, and butterfly valve automation Emergency shutdown systems Dam gate control Pipeline automation Heavy machinery positioning systems
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