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Explosion-proof Type Multi-turn Electric Actuator

Our explosion-proof electric actuator not only adopts unique double-sealed structure, but all parameters can be performed non-invasive set by infrared setter. Its unique multiple measures guarantee the safety, reliability of our SR actuator.

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1. FEATURES

QQ截图20171113102011.png1) Double sealed structure

QQ截图20171113102011.png2) Non-intrusive design

QQ截图20171113102011.png3) Hall effect detection valve position

QQ截图20171113102011.png4) Automatic phase sequence adjustment, instantaneous reverse protection,

QQ截图20171113102011.png5) Power phase loss protection,

QQ截图20171113102011.png6) Overheat protection, electrical protection

QQ截图20171113102011.png7) Valve position and torque detection

QQ截图20171113102011.png8) Gap timing operation

QQ截图20171113102011.png9) Implementing agency commissioning and troubleshooting 

QQ截图20171113102011.png10) Profile bus control


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2. TECHNICAL SPECIFICATIONS                         

QQ截图20171113102011.png1) Basic error: ≤ ± 1.0%

QQ截图20171113102011.png2) backlash: ≤ 0.5%

QQ截图20171113102011.png3) dead zone: 0 ~ 9.9% adjustable (only for adjustable electric actuator)

QQ截图20171113102011.png4) Damping characteristics: ≤ 3 times half-cycle (only adjustable electric actuator)

QQ截图20171113102011.png5) Startup characteristics: The actuator performance is not affected when the voltage deviation is ± 10% and the frequency deviation is   ± 5Hz. The actuator starts normally at a maximum pressure drop of 15% and operates at normal speed.

QQ截图20171113102011.png6) Insulation resistance

    Input terminals and the chassis: ≥ 20MΩ(500V voltage)
    Power terminals and the chassis: ≥ 50MΩ(500V voltage)
    Input terminals and power terminals: ≥ 50MΩ(500V voltage)

QQ截图20171113102011.png7) Dielectric strength

    Under the following test conditions, breakdown and arcing does not occur.
    Test voltage and frequency between input terminal and chassis: 500V 50Hz
    Test voltage and frequency between input terminal and power terminal: 500V 50Hz
    Test voltage and frequency between power terminal and chassis: 2000V 50 Hz

QQ截图20171113102011.png8) Ambient temperature range

    The actuator output travel change is less than 0.5% of the rated stroke when the temperature fluctuates per 10℃. And the output stroke change is less than 1% of the rated stroke if the voltage changes from the nominal value to Plus-n-Minus limit.

QQ截图20171113102011.png9) 48 hours of drift less than 0.5% of rated travel.

QQ截图20171113102011.png10) Output torque range: 40N.m ~ 20000N.m

QQ截图20171113102011.png11) Output speed: 12RPM-196RPM


3. THE ELECTRICAL ACTUATOR'S DIMENSIONS

a. the outline of SR60 series (dashed line states the disassemble space of the housing) 

image004.png   

 

b. the outline of SR80 (dashed line states the disassemble space of the housing)

image006.png

 

More details you need, please feel free to liaise with us via freet@freetvalves.com or CALL US +86-(0)592-7199868
Our 24 hours*7 helpline will answer your queries and provide you the applicable solution timely.

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