OMK-20D Electric Actuator (200Nm / Dual Feedback Type)
Product Information
Brand:
OMKEE
Model number:
OMK-20D
Standard Torque/Speed:
30S/200Nm
Optional Torque/Speed:
15S/100Nm
Protection Class:
IP68
Manufacturing Standard:
JB/T8219-1999
Control Voltage:
AC 220V, DC 24V, AC 110V, AC 380V
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Key Component Features & Material Engineering
1. Rugged ADC12 Aluminum Housing
The actuator enclosure is constructed from heavy-duty ADC12 die-cast aluminum. The raw metal undergoes artificial aging and shot-blasting before a thick thermo-sprayed powder coating is applied. This outer shell is thicker than 0.2 mm and safely resists constant working temperatures above 150°C without peeling or cracking.
2. High-Torque Motor with Heavy Safety Margin
Industrial pipelines deal with variable pressure, temperature, and sticky media. To avoid operational jams, OMKEE motors are engineered with a 1.3x to 1.5x torque safety reserve. Parameters like motor temperature rise, rotational inertia, and insulation wear curves are tested rigorously to allow continuous, frequent start-stop cycles under full-load or overloaded conditions.
3. Spline Drive and Forged Worm Gear Joint
The internal worm wheel is forged from a premium aluminum bronze alloy, matched with a 40Cr alloy steel worm shaft that has undergone thermal tempering and black-oxide anti-rust plating.
Instead of weak one-piece shafts that shear under intense stress, the OMK-20D links the output shaft and worm gear using a heavy-duty spline connection. This choice spreads mechanical forces evenly across the drive joint.
4. Precision Gearbox & Low-Noise P6 Bearings
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Premium Reduction Gears: Cut entirely from high-grade quenched and tempered steel, the gear train delivers high fatigue strength, minimal wear, and low noise.
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P6 Deep-Groove Bearings: Both ends of the gear units are held firmly by P6-grade deep-groove ball bearings built to the strict EMQ (ZV2) standard. This controls internal vibration and resists sudden load shocks by focusing on optimal raceway surface roughness and ring roundness.
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Seals & Lubrication: Every unit is filled with imported high-performance Mobil grease and protected by dual-lipped skeleton TC oil seals from the German brand Oubaisi to guarantee a zero-leak system.
5. Quick External Stroke Adjustment
The OMK-20D features an intuitive stroke limit device. Field technicians can quickly calibrate the exact open and close points via an external top adjusting shaft, making commissioning faster, simpler, and highly precise.
Overall Dimensions and Performance Parameters
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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-20D complies fully with the JB/T8219-1999 manufacturing standard for industrial electric actuators, certified under test report No. C16040-WT by the Shanghai Institute of Process Automation Instrumentation. Furthermore, OMKEE facilities maintain verified compliance with ISO 9001:2008 and the European Union CE Certification, ensuring product quality fits global B2B procurement standards perfectly.
Target Applications:
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Heavy Processing: Petroleum refineries, aggressive chemical processing, steel manufacturing, metallurgy, and paper mills.
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Energy Systems: Thermal power plants (steam turbine speed control loops) and hydro-generation stations.
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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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