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CSL Part Number: 9147
Product Overview: The EA71 Series is a high torque electric actuator designed for 90-degree rotational control applications in industrial processes. It delivers 550 lbf-in of torque with a 20-second travel time, making it suitable for demanding valve and damper positioning tasks in paper mills and heavy industrial systems. The unit features an integral slidewire potentiometer for position feedback, auxiliary contact capability, and oil-lubricated gearing for reliable power transmission. Commonly used for large valve actuation where high force and precise angular positioning are required.
Category: Actuators
Manufacturer: Barber-Colman
Manufacturer Synonyms: Barber Coleman, Barbercolman, Invensys
Manufacturer Part Number: EA71-00000-000 SERIES
Series: EA70 Series High Torque Actuator
Brand: Barber-Colman
EA71 Series spec 20 s time 550 lbf-in
Common Failures
Common issues reported include clutch holding concerns and seal integrity problems, which may be associated with oil leakage. If present, these conditions can affect performance.
Repair Approach
The repair process may involve replacing worn seals and gaskets to address oil leakage when identified during evaluation. Additional steps can include replacing connectors, relays, and cams as needed. Mechanical integrity is restored by securing connections and ensuring proper alignment of components.
Testing & Quality
After repairs are completed, units are tested, including calibration to verify alignment and functionality. The system is also subjected to a burn-in test under load conditions to confirm that it meets specified torque requirements. These quality checks are part of our process to support reliable performance.
Repair your broken Barber-Colman part
We can repair your Barber-Colman model EA71-00000-000 SERIES .
Please note: our repair turnaround time may be longer than our standard lead times for this item.
Step 1 -
Click the green button above, "Repair Now," and add to your RMA.
Step 2 -
Print the RMA form that is emailed to you, and put it in a box with the parts for repair.
Step 3 -
Mail the box to the address on the RMA.
You will be sent an authorization for repair via email. Your approval is needed before any work is started.
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