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CKD Series
The CKD Series Smart Multi-turn Electric Actuator is an integrated intelligent terminal control device designed exclusively for multi-turn valves such as gate valves and globe valves. Engineered with advanced SoC (System-on-Chip), digital sensing, and fieldbus technologies, this actuator delivers precise and reliable valve control across industrial environments. With a torque range of 40–3000 N·m and an output speed of 8–144 rpm, it meets the demands of DN10-DN600 pipelines, while its IP68 protection rating ensures uncompromised performance in harsh conditions. Compatible with Modbus, PROFIBUS, and HART protocols, it enables seamless integration with PLC/DCS automation systems, supporting both local and remote control for enhanced operational flexibility.
Equipped with an 18-bit multi-turn absolute encoder, achieving ±0.88° positioning resolution and ≤0.5% repeat positioning error for accurate valve opening control.
Closed-loop control logic ensures ≤0.3-second response to 4-20mA analog signals or bus commands, adapting quickly to dynamic working condition adjustments.
Infrared remote control and magnetic control knob enable parameter setting, fault query, and calibration without opening the cover, protecting the sealing surface.
Large LCD/LED display with multi-language support real-time shows valve position (0-100%), torque value, and fault information, accessible to non-professional operators.
IP68 protection rating (double-seal structure + fluororubber sealing ring) ensures waterproof and dustproof performance, even with the terminal cover open.
High-strength die-cast aluminum alloy housing with pickling phosphating and electrostatic spraying withstands 500+ hours of salt spray corrosion, suitable for coastal and chemical environments.
Automatic phase sequence correction prevents reverse misoperation; phase loss protection triggers instant alarm and shutdown.
Bidirectional over-torque protection (40%-120% adjustable) and motor overheat protection (130℃ cutoff) avoid equipment damage.
Base-mounted and flange-mounted options with spline output shaft achieve 98% adaptability with different valve brands.
Supports on-off/regulating control modes, seamlessly connecting to industrial automation systems.
Parameters | Description |
Power supply type | AC 220V (50/60Hertz) / AC 380V (50/60 Hertz) optional |
Torque range | Direct installation torque: 40~3000 N·m; with gearbox, maximum torque up to 50,000 N·m;During ordering, the specific model is selected by the manufacturer based on torque and speed requirements. |
Control type | Optional：hard wiring、analog signal、fieldbus（MODBUS、FF、HART、PROFIBUS-DP） |
sheathing material | cast aluminum alloy |
levels of protection | The standard is IP68; others can be customized. |
ambient temperature | ※Standard: -30℃ ~ +70℃ |
external corrosion protection | ※Standard coating: pickling and phosphating + surface electrostatic powder spraying; |
double seal protection | The control section is isolated from the junction box to protect electronic components. |
Explosion-proof rating: | Ex d IIB T4 Gb、Ex db IIC T4 Gb、Ex tb ⅢC T130℃ Db |
Motor Technology | Totally enclosed non-air-cooled AC squirrel cage motor; Insulation class F (Class H customizable); |
motor duty | ※Motor with S4 duty (suitable for periodic starting conditions); |
gear drive | Self-locking at all speeds |
Handwheel | Does not rotate during electric operation; equipped with automatic clutch; torque complies with GB/T 28270 standard. |
output flange | ISO 5210/GB 12222；optional special flange |
lubricating oil | Lifetime effectiveness; no periodic maintenance required |
Supply type | Three-phase/single-phase optional; the maximum voltage for three-phase power supply is 690V; 50/60Hz |
cable entry | Standard: 1×M48×2 + 2×M33×2; Explosion-proof type: 1×NPT1.5" + 2×NPT1" (can be increased); Customizable; Sunflower terminal block |
Setting | Infrared/Pressure communication (Bluetooth optional); Parameters stored in non-volatile memory (with password protection); Configurable via remote display/programmer |
On-site knob | Tool-free setting; Local/Remote/Stop mode selection; Electrically operable in local mode |
EC instruct | Comply with 2004/08/EC (Electromagnetic Compatibility Directive) and 2006/95/EC (Low Voltage Directive); harmonized standards such as EN 61000 are applicable. |
Performance Data Sheet for CKD Series Electric Actuators (380VAC/50HZ): Suitable for On-Off type or modulating (non-Frequent) type
Model | Out | motor power | Rated current | Flange（ISO5210) | ||
Rated torque | speed（rpm） | |||||
CKD4 | 40 | 24 | 0.1 | 1.1 | F10 | |
CKD10 | 100 | 24 | 0.25 | 2.5 | ||
80 | 36 | 0.3 | 2.6 | |||
60 | 48 | 0.4 | 2.7 | |||
CKD16 | 160 | 24 | 0.4 | 2.6 | ||
120 | 36 | 0.45 | 3 | |||
100 | 48 | 0.5 | 3.5 | |||
70 | 72 | 0.65 | 4.2 | |||
50 | 96 | 0.8 | 4.8 | |||
CKD25 | 250 | 24 | 0.63 | 2.8 | F14 | |
230 | 36 | 0.83 | 3.3 | |||
200 | 48 | 1 | 3.6 | |||
180 | 72 | 1.36 | 4.1 | |||
160 | 96 | 1.6 | 4.5 | |||
CKD40 | 400 | 24 | 1 | 4.4 | F16 | |
360 | 36 | 1.3 | 5.5 | |||
320 | 48 | 1.5 | 6.8 | |||
280 | 72 | 1.88 | 7.3 | |||
250 | 96 | 2 | 7.6 | |||
CKD60 | 600 | 24 | 1.5 | 5.7 | ||
500 | 36 | 1.88 | 7.0 | |||
450 | 48 | 2.25 | 7.6 | |||
400 | 72 | 2.64 | 8.1 | |||
300 | 96 | 3 | 8.4 | |||
250 | 144 | 3.76 | 9.2 | |||
CKD100 | 1000 | 24 | 2.5 | 11.5 | F25 | |
900 | 36 | 3.4 | 13.5 | |||
850 | 48 | 4 | 14.5 | |||
750 | 72 | 5.3 | 15 | |||
650 | 96 | 6 | 16 | |||
500 | 144 | 7.5 | 17.5 | |||
400 | 192 | 8 | 13.5 | |||
CKD120 | 1200 | 24 | 3 | 12.5 | ||
1100 | 36 | 3.8 | 14 | |||
1000 | 48 | 4.5 | 16 | |||
850 | 72 | 6 | 17 | |||
700 | 96 | 7 | 18 | |||
600 | 144 | 8 | 19 | |||
450 | 192 | 9 | 20 | |||
CKD150 | 1500 | 24 | 3.8 | 15 | ||
1300 | 36 | 4.9 | 21 | |||
1100 | 48 | 5.5 | 22 | |||
900 | 72 | 6.7 | 23 | |||
750 | 96 | 7.5 | 25 | |||
650 | 144 | 9.8 | 28 | |||
550 | 192 | 11.0 | 30 | |||
CKD180 | 1800 | 24 | 4.2 | 18 | ||
1200 | 48 | 6.1 | 23.5 | |||
1000 | 96 | 8.3 | 26 | |||
600 | 192 | 12.0 | 32 | |||
Performance Data Sheet for CKD Series Electric Actuators (380VAC/50HZ): Suitable for modulating (Frequent Adjustment) Type
Model | Out | motor power | Rated current | Flange（ISO5210) | ||
Rated torque | Max torque（rpm） | speed（rpm） | ||||
CKD4 | 20 | 40 | 18 | 0.1 | 1.1 | F10 |
20 | 40 | 24 | 0.1 | 1.1 | ||
CKD10 | 50 | 100 | 18 | 0.18 | 2 | |
50 | 100 | 24 | 0.25 | 2.5 | ||
40 | 80 | 48 | 0.4 | 2.7 | ||
CKD16 | 80 | 160 | 18 | 0.13 | 2.2 | |
80 | 160 | 24 | 0.4 | 2.6 | ||
70 | 140 | 36 | 0.45 | 3 | ||
60 | 120 | 48 | 0.5 | 3.5 | ||
CKD25 | 125 | 250 | 18 | 0.47 | 2.5 | F14 |
125 | 250 | 24 | 0.63 | 2.8 | ||
110 | 220 | 36 | 0.83 | 3.3 | ||
100 | 200 | 48 | 1 | 3.6 | ||
80 | 160 | 72 | 1.36 | 4.1 | ||
CKD40 | 200 | 400 | 18 | 0.75 | 4 | F16 |
200 | 400 | 24 | 1.0 | 4.4 | ||
180 | 360 | 36 | 1.3 | 5.5 | ||
150 | 300 | 48 | 1.5 | 6.8 | ||
100 | 200 | 72 | 1.88 | 7.3 | ||
CKD60 | 300 | 600 | 18 | 1.13 | 5.2 | |
300 | 600 | 24 | 1.5 | 5.7 | ||
260 | 520 | 36 | 1.88 | 7 | ||
230 | 450 | 48 | 2.25 | 7.6 | ||
CKD100 | 150 | 300 | 72 | 2.64 | 8.1 | F25 |
500 | 1000 | 24 | 2.5 | 11.5 | ||
450 | 900 | 36 | 3.4 | 13.5 | ||
400 | 800 | 48 | 4 | 14.5 | ||
350 | 700 | 72 | 4.8 | 15 | ||
Performance Data Sheet for CKD Series Electric Actuators (220VAC/50HZ): Suitable for On-Off type or modulating (non-Frequent) type
Model | Out | motor power | Rated current | Flange（ISO5210) | ||
Rated torque | speed（rpm） | |||||
CKD10 | 60 | 18 | 0.12 | 3.3 | F10 | |
60 | 24 | 0.15 | 3.6 | |||
50 | 48 | 0.25 | 4 | |||
CKD25 | 150 | 18 | 0.6 | 6.5 | ||
150 | 24 | 0.75 | 7 | |||
130 | 36 | 1 | 7.2 | |||
120 | 48 | 1.2 | 7.5 | |||
CKD40 | 250 | 18 | 0.85 | 7.5 | F14 | |
250 | 24 | 1 | 7.8 | |||
200 | 36 | 1.1 | 8 | |||
130 | 48 | 1.3 | 8.5 | |||
100 | 72 | 1.5 | 8.8 | |||
80 | 96 | 1.6 | 9 | |||
CKD60 | 300 | 18 | 1.1 | 8 | F16 | |
300 | 24 | 1.25 | 8.3 | |||
250 | 36 | 1.5 | 8.5 | |||
200 | 48 | 1.7 | 8.7 | |||
130 | 72 | 1.65 | 9.1 | |||
100 | 96 | 2.2 | 9.3 | |||
Performance Data Sheet for CKD Series Electric Actuators (220VAC/50HZ): Suitable for modulating (Frequent Adjustment) Type
Model | Out | motor power | Rated current | Flange（ISO5210) | ||
Rated torque | Max torque（Nm） | speed（rpm） | ||||
CKD10 | 40 | 60 | 24 | 0.15 | 3.6 | F10 |
CKD25 | 100 | 150 | 24 | 0.37 | 7 | |
80 | 130 | 48 | 0.65 | 7.5 | ||
CKD60 | 150 | 250 | 24 | 0.62 | 10 | F16 |
130 | 220 | 48 | 1.1 | 12 | ||
70 | 130 | 70 | 0.98 | 12 | ||
Our smart multi-turn electric actuator adheres to strict quality control standards, holding ISO certification and international authoritative certifications including ATEX explosion-proof (Ex d IIB T4 Gb) and SIL functional safety. The whole machine comes with an 18-month warranty, while core components (motor, controller) enjoy 24-month coverage, complemented by lifelong maintenance services. All key electronic components meet military-grade standards, with a built-in backup battery offering 8-year service life for uninterrupted valve position monitoring during power outages. Each unit undergoes rigorous testing, including 500-hour salt spray corrosion resistance and 80,000+ hours of trouble-free operation verification.
Applied in crude oil extraction, refining units, and pipeline transportation systems, withstanding high-temperature, high-pressure, and corrosive conditions.
Controls valves in boiler feed water, steam pipelines, and denitrification systems for thermal, nuclear, and hydropower plants.
Regulates gate valves and butterfly valves in waterworks, sewage treatment plants, and urban water supply/drainage networks.
Suitable for steelmaking furnaces, rolling production lines, and cement kilns, resisting dust and vibration.
Complies with hygienic standards for sterile valve control in reactors and processing equipment, supporting cleaning verification.
Provide valve parameters (type, required torque), working conditions (pressure, temperature), and control requirements (signal type, feedback needs). Our technical team will assist with model matching based on your specific application.
We offer an 18-month warranty for the whole machine and 24-month warranty for core components. Free installation videos, remote guidance, and on-site support (for bulk purchases) are available. Lifelong maintenance services ensure long-term operational reliability.
Yes. It supports customization for low-temperature (-50℃) and high-temperature (+150℃) conditions. The IP68 protection and corrosion-resistant coating make it suitable for humid, dusty, and corrosive industrial settings.
Standard models are delivered within 28-30 working days, while customized models (special torque, temperature range, or certifications) require 30-45 working days.
This product combines intelligent control, durability, and safety, making it the preferred industrial electric actuator for global customers in power, petrochemical, water treatment, and other sectors. Contact us for customized solutions tailored to your operational needs.
