Intelligent Electric Actuator with Worm Gear Box for Valve Damper HVAC and Manual Override
Chenglei manufactures the quarter turn electric rotary actuator DQ Series with valve worm reduction box. This actuator is designed for use with dampers, plug valves, gate valves, globe valves, throttle valves, ball valves, butterfly valves, slide plate gates, adjusting valves, regulating valves, and HVAC systems.
Our electric actuators are widely used in various industries including:
- Oil and gas
- Power plants
- Water treatment
- Chemical processing
- Paper and pulp
- Flow control automation
| Feature | Specification |
|---|---|
| Voltage | 380V/110V/220V/440V/660V AC or 12V/24V DC (single phase or three phase) |
| Rated Frequency | 50Hz/60Hz |
| Control Method | On-off or modulating (4-20mA) |
| Protocols | Profibus/Profinet/Modbus/HART/FF/Device Net/ESD |
| Motor Duty | Short time: S2 10min, 15min, 30min or continuous time: S1/S3/S4/S6 24%, 40% |
| Connection | JB2920 Torque type or ISO5210 (GB/T 12222) Thrust flange type |
| Protection Grade | IP65/IP67/IP68 |
| Insulation Level | F level |
| Certifications | CCC/UL/CE/IECex/SIL/RoHS/ISO/CE/Gost |
| Enclosure | NEMA 4/4X/7&9 models |
| Environmental Temperature | -20°C to +60°C (special orders -60°C to +70°C) |
| Relative Humidity | ≤ 95% (at +25°C) |
| Explosion Proof | ATEX/Exd BT4/CT4 |
| Anti-corrosion Coating | Electrostatic powder spraying |
| Body Material | Aluminum alloy/stainless steel/carbon steel |
- High speed and high torque
- Adjustable speed
- Battery backup option
- Bluetooth connectivity
- Local or remote control options
- Heater and thermostat standard
- Manual override with handwheel
Chenglei also provides:
- Quarter turn electric actuators
- Multi-turn electric actuators
- Part turn electric actuators with worm gear reducers
- Electric linear actuators
- Electric valve actuators
- Electric damper actuators
- Ball valve electric actuators
- Butterfly valve electric actuators
- Gate valve electric actuators
- Globe valve electric actuators
- Valve worm gear boxes
- On-off electric actuators
- Modulating electric actuators
- Electric actuator and valve worm gear box experts since 2004 with over 20 years of industrial actuator experience
- Complete industry valve, damper, and HVAC automation solutions
- Certifications include CCC/CE/EAC/IECex/SIL and CNEX explosion proof
- Actuators feature battery backup, Bluetooth wireless connection, infrared remote control, and split type remote control
- Thermal motor protection and extreme temperature operation (-60°C to +70°C)
- Available in part-turn and multi-turn versions
- On-off & modulating control options
A: Firstly, our electric actuators are produced under strict quality control with a defective rate less than 0.2%.
Secondly, during the guarantee period, we will send replacements with new orders for small quantities.
For defective batches, we will repair and resend the actuators or discuss solutions including recall based on the actual situation.
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