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      Whether you’re a startup looking for a reliable manufacturer or an industrial distributor wanting to expand your product line, we’re ready to support your vision.

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DCL 华易智控 图标 | DCL Controls Logo
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Electric Actuator

  • Why choose an electric actuator?
    • Reliable and Durable
    • Compact and Space-Saving
    • High Efficiency
    • High Precision and Controllability
    • Ease of Use
    • DCL Electric Actuator
  • How does an electric actuator works?
    • ON-OFF Actuator
      • Power by AC85-265V & Control by Relay
      • Power by DC24V & Control by Relay
      • Power by AC85-265V & Control by Switch
      • Power by DC24V & Control by Switch
    • Modulating Actuator
      • Control via 4-20mA
      • Control via 2-10V
      • Control via fieldbus
      • Control via IIoT
  • What type of valves can DCL electric actuators drive?
    • Drive butterfly valve
    • Drive ball valve
    • Driving Ventilation Dampers and Air Flap Valves
    • Drive other type of valves
    • Drive other devices
  • How to choose an actuator?
    • Certifications
    • FAQ
  • Installing and Using
    • 5 Steps to Start Using DCL Actuator
      • 1. Install actuator onto the valve
      • 2. Check mechanical limiter
      • 3. Wiring
      • 4. Set end-position of Open/Close
      • 5. Start to Use
    • How-tos
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  • Technical Documents
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  • Why choose an electric actuator?
    • Reliable and Durable
    • Compact and Space-Saving
    • High Efficiency
    • High Precision and Controllability
    • Ease of Use
    • DCL Electric Actuator
  • How does an electric actuator works?
    • ON-OFF Actuator
      • Power by AC85-265V & Control by Relay
      • Power by DC24V & Control by Relay
      • Power by AC85-265V & Control by Switch
      • Power by DC24V & Control by Switch
    • Modulating Actuator
      • Control via 4-20mA
      • Control via 2-10V
      • Control via fieldbus
      • Control via IIoT
  • What type of valves can DCL electric actuators drive?
    • Drive butterfly valve
    • Drive ball valve
    • Driving Ventilation Dampers and Air Flap Valves
    • Drive other type of valves
    • Drive other devices
  • How to choose an actuator?
    • Certifications
    • FAQ
  • Installing and Using
    • 5 Steps to Start Using DCL Actuator
      • 1. Install actuator onto the valve
      • 2. Check mechanical limiter
      • 3. Wiring
      • 4. Set end-position of Open/Close
      • 5. Start to Use
    • How-tos
    • User Manual
    • Application Notes
  • Maintenance & Repair
    • Common faults & Troubleshooting
      • for ON-OFF Actuator
      • for Modulating Actuator
      • for DC24V Actuator
      • for DCL-02 ON-OFF Actuator
      • for DCL-02 Modulating Actuator
  • Technical Documents
    • Standards – ISO/EU/GB
    • Technical Articles
  • Technical Inquiry
  • Why choose an electric actuator?
    • Reliable and Durable
    • Compact and Space-Saving
    • High Efficiency
    • High Precision and Controllability
    • Ease of Use
    • DCL Electric Actuator
  • How does an electric actuator works?
    • ON-OFF Actuator
      • Power by AC85-265V & Control by Relay
      • Power by DC24V & Control by Relay
      • Power by AC85-265V & Control by Switch
      • Power by DC24V & Control by Switch
    • Modulating Actuator
      • Control via 4-20mA
      • Control via 2-10V
      • Control via fieldbus
      • Control via IIoT
  • What type of valves can DCL electric actuators drive?
    • Drive butterfly valve
    • Drive ball valve
    • Driving Ventilation Dampers and Air Flap Valves
    • Drive other type of valves
    • Drive other devices
  • How to choose an actuator?
    • Certifications
    • FAQ
  • Installing and Using
    • 5 Steps to Start Using DCL Actuator
      • 1. Install actuator onto the valve
      • 2. Check mechanical limiter
      • 3. Wiring
      • 4. Set end-position of Open/Close
      • 5. Start to Use
    • How-tos
    • User Manual
    • Application Notes
  • Maintenance & Repair
    • Common faults & Troubleshooting
      • for ON-OFF Actuator
      • for Modulating Actuator
      • for DC24V Actuator
      • for DCL-02 ON-OFF Actuator
      • for DCL-02 Modulating Actuator
  • Technical Documents
    • Standards – ISO/EU/GB
    • Technical Articles
  • Technical Inquiry

Tech. Support

How-tos of DCL Actuator

  • DCL Controls
  • 2025-03-20
  • 11:37 am

Installing and Using

Technical Documents of DCL Actuator

Maintenance & Repair of DCL Actuator

How to Set the Hysteresis of the Actuator?

How to Set the Hysteresis of the Actuator?

What type of valves can DCL electric actuators drive?

How does an electric actuator works?

How to Set the Hysteresis of the Actuator?

How to Set the Hysteresis of the Actuator?

Setting the hysteresis allows the actuator to better match PID closed-loop control applications. Steps to Set the Hysteresis: Turn the S-A switch (highlighted in the red box below) to position 2.

View More >
marzec 27, 2025
How to control DCL actuator through modbus by vaTestTool_DCL.exe
Actuator

How to control DCL actuator through modbus by vaTestTool_DCL.exe

1.Open vaTestTool_DCL-v1.31.exe. 2.The application will popup a “Connect to” dialog to set the target device id and local computer RS232 port parameters as follow. Choose the COM port which connected to

View More >
marzec 20, 2025
How to Set the Hysteresis of the Actuator?
Actuator

How to calibrate the input signal of the actuator?

When the actuator’s valve position does not match the 4–20mA input signal (resulting in a discrepancy between the feedback signal and the input signal), you can calibrate the input signal to

View More >
sierpień 8, 2023
How to Configure the ON-OFF Actuators with  Position Transmitter?
Actuator

How to Configure the ON-OFF Actuators with Position Transmitter?

1. Mechanical Installation 1. Mechanical Installation Refer to the “How to Install the Actuator onto the Valve” section to correctly install the actuator onto the valve and manually operate it to

View More >
maj 31, 2023
How to Set Up a Modulating Electric Valve?
Actuator

How to Set Up a Modulating Electric Valve?

1. Installing the Actuator onto the Valve Follow the installation instructions in “How to Install the Actuator onto the Valve” to correctly install the actuator on the valve. Confirm normal operation

View More >
maj 25, 2023
How to Set Up an ON-OFF Electric Valve?
Actuator

How to Set Up an ON-OFF Electric Valve?

1. Adjusting the Fine-Tuning Electrical Limit Full Close Adjustment: Use the handle to drive the valve to the fully closed position. Loosen the scale plate locking screw and adjust the scale

View More >
maj 23, 2023
How to install the actuator onto the valve?
Actuator

How to install the actuator onto the valve?

Installation Steps Manually rotate the valve to check for any abnormalities and ensure the valve is in the fully closed position. Secure the mounting bracket onto the valve. Fit one end

View More >
maj 22, 2023
Previous:5 Steps to Start Using DCL Actuator
Next:User Manual of DCL Actuator

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Request of Quotation

Press "Send" now, we will confirm the product model number and local distributor with you later on and then send you the quotation.

WhatsApp

Scan QR to chat with our engineer now...

Request of Quotation

Press "Send" now, we will confirm the product model number and local distributor with you later on and then send you the quotation.

WhatsApp

Scan QR to chat with our engineer now...

🤝 Let’s Build Your Brand Together

✅ ODM

  • Your logo & packaging
  • Custom output formats (4-20mA, RS485 Modbus, HART, etc.)
  • Housing color or label changes
  • Cloud-ready versions (optional)

✅ OEM

  • Strictly follow your design & specifications
  • Full confidentiality & IP protection
  • High-quality production at competitive cost
  • Small-batch or large-scale production
  • 🏭 In-House R&D & Manufacturing: From PCB to enclosure, all under one roof.
  • 💬 Multilingual Support: English-speaking engineers and sales staff.

  • ⚙️ Flexible MOQ: Support for both startups and global brands.

  • 🚀 Fast Prototyping: Sample delivery in 7–10 days.

 Contact us today to request a product catalog or get a free consultation.

Ken Bryan

kbryan@dcl-controls.com

Contact

Learn More

Request of Quotation

Send Inquiry

WhatsApp

Scan QR to chat with our engineer now...

Contact Us

service@dcl-controls.com

Phone

(+86) 130 2633 1611

WhatsApp

Ken Bryan

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In site chat

Click on the icon at the bottom right corner to chat with us...