• Torque can be precisely setting within a certain range
• Rare earth material permanent magnet brush motor, perfect robustness, very low temperature rise during operation
• Torque test control and over torque protection by current
• Two more limit switches to confirm valve position
• World-leading EMC, 100% passed EFT, ESD and Surge tests
• Stable operation on extra high/low temperature with high humidity
• Watertight IP67 and NEMA 4X aluminum alloy enclosure with 100% underwater tests
• All metal gears with self-locking worm gear
• Manual override with Allen wrench or handwheel
• ISO5211 direct installation
• UL standard/CSA listed/CE marked/RoHS 3 complied

The deadband of the DCL smart electric actuator is fully adjustable. Deadband defines the actuator’s sensitivity to the input control signal. A smaller deadband results in higher sensitivity; however, higher sensitivity is not always beneficial. When the input signal is easily affected by external interference, a larger deadband helps prevent frequent false starts, thereby extending the actuator’s service life and improving operational stability. Conversely, if the input signal is clean and high-precision control is required, a smaller deadband provides better performance.

Another key factor affecting valve positioning accuracy is the gear backlash, particularly the machining precision of the worm gear set. Our SQE team uses specialized testing equipment to verify and ensure the quality of every gear supplied. In addition, DCL applies multiple proprietary design features and strict assembly process controls to eliminate gear oscillation and minimize noise under different load conditions. Through these efforts, DCL has set the benchmark for compact electric actuators in China’s industry.