General
Information
NEMA 4X : Water-proof and dust-proof enclosure.
Material : Dry powder coating aluminum alloy.
Standard extended duty cycle induction motor.
F (Standard) or H (Optional) insulation class for all models.
Built-in thermal protection prevents motor burning out.
DC motor : 90ó5 /194ó9
OM-1~OM-13 : 30% duty cycle (Standard Model)
All models have continuous mechanism position indicator on the top of
Quarter-Turn Electric Actuator
′ Non-clutch design, the manual operation can be operated without any lever,
clutch or brake upon power outage.
′ When electric motor is operating, hand-wheel won’t rotate for personal safety
purpose.
Manual Override :
Gear Train :
Certificates :
Working Conditions :
′ High alloy steel gear trains provide self-locking function to avoid valve back drive.′ Gear trains have been already lubricated sufficiently with anti-high temperature
lubricant at the factory.
′ CE
′ CSA (Conforming to the test standard of outdoor usage.)′ RoHS Compliance
′ Ambient temperature -30 ~ +65 / -22? ~ +149?′ The humidity 30? ~ 95?
Specifications s
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Selection Steps a. Before mounting actuator, verify that the torque requirement of valve is less than the output torque of
the actuator. (The suggested safety factor is 1.3. )
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b. Check that output shaft adaptor fits stem of valve before inserting into actuator. If not, please
apply suitable adaptor or mounting kit.
If the maximum torque of 5” valve is 80Nm. ? 80 × 1.3 (safety factor) ?104Nm
104Nm ? 150Nm (OM-3) ? OK !
104Nm ? 90Nm (OM-2) ? NO!
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Quarter-Turn
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′ Check for correct voltage prior to wiring.
′ Turn power off before servicing or for maintenance purpose.
′ Use sealant to seal conduit connections after wiring to prevent dusting or water contamination.
′ The angle of electric actuator installation must be between 0~180 degree. Do not install upside down or below the horizontal.
′ When more than one electric actuator needs to operate simultaneously, please connect with the individual cables.
′ Not intended for vacuum spaces and avoid installing near explosive atmospheres.
′ Actuators should be placed at clean and dry place for storage, and protected with outer carton from being affected by great temperature difference or serious vibration.
′ Connect the ground wire to PE inside the electric actuator.
′ The warranty period of all products is one year.
Important
Notices and
Maintenance
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Heater thermostat
Additional limit switches Current position transmitter
Modulating controller
75% duty cycle
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Quarter-Turn Electric Actuator
Local control unit
Torque switches
Adjustable speed board
Chain wheel
Wiring box
Conduit entrance
Enclosure
Motor
Various voltage
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