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    Electric Valve Actuator, On-Off, 400Nm, 24V/220V, Quarter Turn

    Quarter-turn electric actuator for butterfly valve and ball valve outputs 400Nm torque with 30s working time at the voltage of DC 24V, AC 110V, AC 220V or AC 380V. On-off type electric valve actuator offers 0-90° rotatory angle, IP65 protection degree, with fast opening and closing and easy operation.
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    Delivery date: 6-25 days

    The quarter-turn electric valve actuators are used to control 0-90° rotating valves and other similar products, such as butterfly valves, ball valves, dampers, plug valves, louver valves, etc. It works at the voltage DC 24V, AC 110V, AC 220V, or AC 380V. This small electric valve actuator can be widely used in petroleum, chemical industry, electric power, metallurgy, pharmacy, paper making, energy, water treatment, shipping, textile, food processing, building automation and other fields.

    The on-off electric valve actuator produces 400Nm torque with 30s working time for 0-90° working rotation, with great advantages of compact size, light weight, quick opening and closing, easy installation, small operating torque, convenient operation, no need for maintenance and safe use.

    400Nm Electric Valve Actuator Specification

    Model ATO-SQ-40
    Type Operation On-Off
    Voltage DC 24V AC 110V AC 220V AC 380V
    Motor Power 70W 90W 90W 40W
    Rated Current 5.13A 1.12A 0.64A 0.29A
    Output Torque 400Nm
    Working Time 30s
    Rotary Angle 0-90°
    Control Circuit* A/B/C
    Insulation Resistance AC 220V/380V: 100MΩ/500V DC
    Dielectric Strength AC 110V/220V: 1500V AC/1 minute
    AC 380V: 1800V AC/1 minute
    Protection Grade IP65
    Case Material Aluminium die-casting component
    Explosion-proof N/A (Optional EXdIICT4)
    Installation Can be installed in any angle
    Electrical Interface 2-G1/2 waterproof connector
    Ambient Temperature -20℃ ~ +60℃
    Weight 9.5kg
    Matched Valve** Soft sealing ball valve: DN80
    Soft sealing butterfly valve: DN200

    For the control circuit diagram, please refer to Electric Valve Actuator Instruction Manual.
    ** Due to different manufacturers and different operating environment, even the same type of valves actually has different working torque. Therefore, it is recommended that when selecting a electric valve actuator, the operating torque of the valve should be 60% ~ 80% of the rated output torque of the actuator.

    Electric Valve Actuator Dimension (Unit: mm)

    200Nm-600Nm electric valve actuator dimensions


    Electric Valve Actuator Details

    Tips: Constructions of a multi-turn electric valve actuator

    The multi-turn electric valve actuator is a mechanism that can perform linear and rotary motions. Under the signal control, it can complete various tasks accurately. Therefore, many large-scale automation devices now are equipped with excellent multi-turn electric actuator. What are the important components of the multi-turn electric actuator?

    1. Electric motor
    The electric motor is the main component in the multi-turn electric actuator for power supply. Single-phase motors and three-phase AC motors are adopted. The motors have a relatively high starting torque, and small starting current and moment of inertia, so they have the ideal compliance characteristics to provide a stable power source for multi-turn electric actuators.

    2. Reducer
    The reducer in the multi-turn electric actuator is a component to slow down the mechanical movement speed. The reducer has not only a planetary reducer but also a worm gear drive mechanism. This structure has excellent performance, not only improving the efficiency of the machine greatly, but also having the unique mechanical self-locking performance.

    3. Protection device
    The multi-turn electric actuator has many different protection devices, namely the mechanical limit device and the over-torque protection mechanism. The main role of the mechanical limit device is to protect personnel from the accident during manual commissioning. The over-torque protection mechanism is to ensure that the torque does not exceed the range.

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