DCL Actuator Certifications
The DCL electric actuator complies with the following certifications: CE – Conformité Européenne (European safety and environmental standards) RoHS – Restriction of Hazardous Substances CSA – Canadian Standards Association certification IAF – International Accreditation Forum CNAS – China National Accreditation Service SIL – Safety Integrity Level certification Exd II CT4 Gb – Explosion-proof certification for […]
FAQ
How many years have you been making actuators? How is the product quality?DCL was founded in 2001 and has been specializing in the design, production, and sales of reliable, durable, and compact electric actuators for 22 years. So far, DCL actuators have been used in 13 countries, by over 270 customers, and in more than […]
User Manual of DCL Actuator
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How the DC24V ON-OFF Type Actuator (Electric Valve) Works
When you install a DCL 24V ON-OFF type electric control valve on a pipeline, you can control it using a relay, ON-OFF control, or PLC (DCS), enabling the opening or shutting off of fluid flow. This guide explains how the DCL 24V ON-OFF type electric actuators function using relays, PLCs, or ON-OFF control for valve […]
How the AC220V ON-OFF Type Actuator (Electric Valve) Works
When you install a DCL AC220V ON-OFF type electric control valve on a pipeline, you can control it using a relay, ON-OFF control, or PLC (DCS), enabling the opening or shutting off of fluid flow. This guide explains how the DCL AC220V ON-OFF type electric actuators function using relays, PLCs, or ON-OFF control for valve […]
Technical Inquiry
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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 eliminate this deviation. 6 Simple Steps for Calibration: Turn the S-A switch to position 2. Press and hold the Set button until the L2 […]
Common faults & troubleshooting for DC24V Modulating Actuators
This guide is applicable to the DCL Explosion-proof Series / Weather-proof Series / Quick-Turning Series of modulating actuators powered by DC24V, with the following models: Weather-proof Actuator: DCL-02GEY, DCL-05GEY, DCL-10GEY, DCL-20GEY, DCL-40GEY, DCL-60GEY Explosion-proof Actuator: DCL-Ex05GEY, DCL-Ex10GEY, DCL-Ex20GEY, DCL-Ex40GEY, DCL-Ex60GEY Let me know if you need further assistance with this guide! Open the Electric Chamber […]
Common faults & troubleshooting for DCL-02 ON-OFF actuators
This guide is applicable to the DCL Ultra-Small Series actuators, with the following models: DCL-02A DCL-02B DCL-02G Common Faults and Troubleshooting Methods Fault Possible Causes Troubleshooting Methods Actuator does not open or close on initial start 1. Incorrect wiring Check the wiring according to the actuator’s wiring diagram. 2. Incorrect power supply Ensure […]
Common faults & troubleshooting for DCL-02 modulating actuators
This guide applies to the DCL ultra small modulating actuators, model as follows: DCL-02E Common Faults and Troubleshooting Methods Fault Possible Cause Troubleshooting Method Actuator will not open or close at startup 1. Incorrect wiring Check the wiring according to the actuator wiring diagram to confirm it is correct. 2. Incorrect power supply […]