OMK-20E Electric Actuator (200Nm with Servo Controller)
Product Information
Brand:
OMKEE
Model number:
OMK-20E
Standard Torque/Speed:
30S/200Nm
Protection Class:
IP68
Manufacturing Standard:
JB/T8219-1999
Control Voltage:
DC24V; AC110V; AC220V; AC380V
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Key Component Features & Material Engineering
1. Rugged ADC12 Aluminum Enclosure
The housing is constructed from heavy-duty ADC12 die-cast aluminum, treated with artificial aging and shot-blasting. It is finished with a thermo-sprayed powder coating thicker than 0.2 mm that safely withstands temperatures above 150°C, preventing corrosion in chemical or humid outdoor conditions.
2. Dual Signal Tracking & Zero-Gap Gear Joint
The OMK-20E tracks position using an imported Sakae (Japan) conductive plastic potentiometer (0–1000 $\Omega$, linearity error $L \pm 0.5\%$, electrical travel $355^\circ \pm 5^\circ$). To ensure real-time data accuracy, the assembly uses a spring-loaded anti-backlash gear mechanism that eliminates mechanical play and limits actuator hysteresis.
3. Forged Bronze Worm Gear & Spline Shaft Connection
The internal worm wheel is forged from a high-wear aluminum bronze alloy, matched with a heat-treated 40Cr alloy steel worm shaft finished with a black-oxide anti-rust plating. To eliminate the risk of structural neck shearing, the output shaft connects to the worm wheel via a high-strength spline joint that distributes mechanical stress evenly.
4. Low-Noise P6-Class Bearings & Premium Seals
All reduction gears are precision-cut from high-grade quenched and tempered steel. The entire gear train is supported on both ends by P6-grade deep-groove ball bearings that follow the low-noise EMQ (ZV2) standard. The chamber is packed with imported Mobil grease and sealed with dual-lipped skeleton TC oil seals from the German brand Oubaisi to ensure a leak-free lifespan.
5. Intuitive External Stroke Limits
The OMK-20E uses a proprietary stroke adjustment mechanism. Field technicians can adjust the open and close limits directly using the external top adjusting shaft, making commissioning fast, safe, and precise.
Overall Dimensions and Performance Parameters
 |
Parameter\Performance | OMK-20 | OMK-40 | OMK-60 | |||||||||
| DC24V | AC110V | AC220V | AC380V | DC24V | AC110V | AC220V | AC380V | DC24V | AC110V | AC220V | AC380V | ||
| Motor Power | 35W | 40W | 40W | 30W | 70W | 90W | 90W | 40W | 70W | 90W | 90W | 40W | |
| Rated Current | 3.57A | 0.65A | 0.37A | 0.15A | 5.13A | 1.12A | 0.57A | 0.29A | 5.13A | 1.18A | 0.60A | 0.29A | |
| Standard Time/Torque | 30S/200Nm | 30S/400Nm | 45S/600Nm | ||||||||||
| Optional Time / Torque | 15S/100Nm | 6S/150Nm 15S/200Nm | 60S/400Nm | ||||||||||
| Turning Angle | 0~90° Adjustable | ||||||||||||
| Total Weight (kg) | 8.0 | 8.5 | 9.0 | ||||||||||
| Cold Insulation Resistance (MΩ) | AC110V/220V/380V: 100 MΩ/500VDC | ||||||||||||
| Voltage-Withstand Class | AC110V/220V: 1500VAC one minute, AC380V: 1800VAC one minute | ||||||||||||
| Protection Class | Ip67 | ||||||||||||
| Installation Angle | 360° at any angle | ||||||||||||
| Electric Interface | One G1/2 Water-proof Cable Connector (For types with 4-20mA DC, etc. control signals, add one more) | ||||||||||||
| Ambient Temperature (℃) | -30℃~+60℃ | ||||||||||||
| Type of Control Circuit | Type A:Ordinal switch type; Type B:Passive signal feedback type; Type C:Resistance signal feedback type; Type D:Resistance signal and passive signal feedback type; Type E: Adjusting type; Type F: With position transmitter; Type G: DC current control type; Type H: AC 380V power control type | ||||||||||||
| Options of other function | ★ Stainless steel support, coupling
★Direct installation board, coupling (ISO5211 Standard) ★Over torque protector ★Heater for eliminating moisture |
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Global Compliance and Applications
The OMK-20E complies fully with the JB/T8219-1999 manufacturing standard for industrial electric actuators, validated under official test report No. C16040-WT by the Shanghai Institute of Process Automation Instrumentation. OMKEE facilities maintain compliance with ISO 9001:2008 and the European Union CE Certification, ensuring complete compatibility with global B2B procurement standards.
Target Applications:
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Energy Systems: Thermal power plants (steam turbine speed control loops) and hydro-generation stations.
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Heavy Processing: Petroleum refineries, aggressive chemical processing, steel manufacturing, metallurgy, and paper mills.
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Infrastructure: Municipal water treatment, automated sewage networks, marine shipbuilding, and large-scale power irrigation networks.
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Light Industrial: Food and beverage processing, pharmaceutical cleanrooms, and automated HVAC/Building Automation Systems (BAS).
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