Bernard AQ25 Electric Actuator – Quarter-Turn Actuator 250 Nm
Looking for a reliable quarter-turn electric actuator for ball or butterfly valves? The Bernard Controls AQ25 is a genuine quarter-turn electric actuator from the French brand Bernard Controls, belonging to the AQ series, with a maximum torque of 250 Nm.
The AQ25 features a compact design, IP68 protection rating and is suitable for industrial environments. It supports ON/OFF (Class A) service and can be upgraded for modulating control (Class B/III).
Key Features of Bernard AQ25 Electric Actuator
✅ Quarter-turn electric actuator (90° rotation).
✅ Maximum torque: 250 Nm.
✅ Protection rating: IP68 / NEMA 4X.
✅ Cast aluminium housing, corrosion resistant.
✅ Emergency handwheel for manual operation.
✅ Integrated limit switches and torque limiter (from AQ25).
✅ Flange: ISO 5211 F07 / F10.
✅ Available in SWITCH or LOGIC (integrated controls) versions.
Technical Specifications
✅ Model: AQ25
✅ Brand: Bernard Controls
✅ Type: Quarter-turn Electric Actuator
✅ Max torque: 250 Nm
✅ Operating time for 90°: approx. 25 – 30 seconds (depending on voltage)
✅ Common voltage: 1-phase 220/230V or 3-phase 380/400V – 50/60Hz (24V DC available)
✅ Motor power: approx. 0.04 kW
✅ Protection: IP68
✅ Housing material: Cast aluminium
✅ Flange: ISO 5211 F07/F10
✅ Duty: ON/OFF Class A (Class B/III optional)
✅ Ambient temperature: -20°C ~ +60°C (-40°C optional)
Typical Applications
✅ Automation of ball and butterfly valves
✅ Water, gas and chemical pipelines
✅ Water treatment plants and HVAC systems
✅ Industrial automation requiring 90° open/close
✅ Applications demanding high reliability and waterproof performance
Why Choose the Bernard AQ25 Electric Actuator?
The Bernard Controls AQ25 stands out for its compact design, high durability, excellent IP68 protection and easy control integration. The standard torque limiter protects both the valve and the actuator, making it suitable for a wide range of industrial applications requiring reliability.
Selection & Installation Tips
✅ Confirm valve torque ≤ 250 Nm and F07/F10 flange compatibility.
✅ Select the correct voltage (1-phase or 3-phase).
✅ Install securely with proper waterproofing and grounding.
✅ Use the handwheel during power failure or maintenance.
Hotline: 0084 787900099
