Electro-Hydraulic Rotary Actuator

High-Torque Quarter-Turn Drive (90° Rotation) for Heavy Dampers & Valves

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ERA SERIES

Electro-Hydraulic Rotary Actuator

HSX Electro-Hydraulic Rotary Actuators combine self-contained hydraulic power with a heavy rack-and-pinion or scotch-yoke rotary transmission. Delivering immense quarter-turn (90° or 120°) torque for butterfly valves, ball valves, and heavy louver dampers with rapid fail-safe spring return capabilities.

Output Torque 500 Nm – 85,000 Nm (High Peak Torque)
Rotation Angle 90° (+/- 5° End Stop Adjustability)
Operating Time 1.5 s – 30 s (Emergency Rapid Trip / Modulating)
Fail-Safe Mode Spring Return Fail-Close / Fail-Open / Lock in Position

Model Series & Engineering Parameters

TORQUE RANGE 500 – 85,000 Nm
ROTATION ANGLE 90° Quarter-Turn
FAIL-SAFE ACTION <= 1.5s Rapid Return

Ordering Nomenclature Guide: .

DESIGN ADVANTAGES

APPLICATIONS

Proven in Severe Plant Environments

Delivering high thrust and zero-drift actuation across critical heavy industrial facilities.

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