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OMK-100A Part-Turn Electric Actuator (1000Nm / Active Contact Type)
OMK-100A Part-Turn Electric Actuator (1000Nm / Active Contact Type)

OMK-100A Part-Turn Electric Actuator (1000Nm / Active Contact Type)

Product Introduction

The OMK-100A is a heavy-duty part-turn electric actuator designed and manufactured by OMKEE. Engineered for high-torque applications in heavy fluid infrastructure, it delivers a massive standard output torque of 1000 Nm to easily automate large industrial ball valves, butterfly valves, and plug valves. This model utilizes an on-off switching volume circuit with active contact position feedback, making it completely ready for direct integration into global B2B industrial automation grids.

Product Information

Brand:
OMKEE
Model number:
OMK-100A
Standard Torque/Speed:
30S/1000Nm
Optional Torque/Speed:
15S/500Nm
Protection Class:
IP68
Manufacturing Standard:
JB/T8219-1999
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Key Component Features & Material Engineering

1. Rugged ADC12 Housing with Thermal Powder Finish

The actuator shell is constructed from premium ADC12 die-cast aluminum. The raw casting undergoes specialized artificial aging and shot-blasting treatments to optimize structural density and tensile strength. It is finished with a tough, thermo-sprayed powder coating thicker than 0.2 mm that can withstand continuous temperatures above 150°C without peeling or cracking under direct sunlight or harsh weather.

2. High-Torque Motor with 1.5x Safety Reserve

Large industrial pipeline valves create immense friction resistance, especially under full system pressure or when dealing with high-viscosity media. To prevent motor stalling and jamming, OMKEE motors are engineered with a 1.3x to 1.5x torque safety reserve. Crucial performance parameters—such as thermal rise curves, rotational inertia, and dielectric strength—undergo strict optimization and empirical testing. This ensures the actuator can handle frequent start-stop loops under full-load or overloaded conditions.

3. Spline Drive Connection & Forged Worm Gear Joint

The internal copper worm wheel is forged from a high-wear aluminum bronze alloy, paired with a 40Cr alloy steel worm shaft that has undergone precise thermal tempering and black-oxide anti-rust plating.

Instead of cheap one-piece structures that snap under heavy rotational shocks, the OMK-100A links the output shaft and worm gear using a heavy-duty spline connection. This choice spreads mechanical forces evenly across the drive joint, solving common snapping vulnerabilities at the shaft neck.

Overall Dimensions and Performance Parameters

企业微信截图_17804572903348.png OMK-100/160/250 
Parameter\Performance OMK-100 (AC110V) OMK-100 (AC220V) OMK-100 (AC380V) OMK-160 (AC110V) OMK-160 (AC220V) OMK-160 (AC380V) OMK-250 (AC110V) OMK-250 (AC220V) OMK-250 (AC380V)
Motor Power 120W 120W 90W 140W 140W 100W 140W 140W 100W
Rated Current 1.93A 0.94A 0.44A 1.75A 0.96A 0.46A 1.75A 0.98A 0.48A
Standard Time/Torque 30S/1000Nm 30S/1000Nm 30S/1000Nm 45S/1600Nm 45S/1600Nm 45S/1600Nm 75S/2500Nm 75S/2500Nm 75S/2500Nm
Optional Time / Torque 15S/500NM 15S/500NM 15S/500NM - - - - - -
Turning Angle 0~90° Adjustable 0~90° Adjustable 0~90° Adjustable 0~90° Adjustable 0~90° Adjustable 0~90° Adjustable 0~90° Adjustable 0~90° Adjustable 0~90° Adjustable
Total Weight (kg) 17.0 17.0 17.0 18.0 18.0 18.0 18.0 18.0 18.0
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

企业微信截图_17804580767856.png

企业微信截图_17792425575303.png

Global Compliance and Applications

The OMK-100A complies fully with the JB/T8219-1999 manufacturing standard for industrial electric actuators, officially 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:

  • Heavy Processing: Petroleum refineries, aggressive chemical processing, steel manufacturing mills, ironworks, metallurgy, and paper mills.

  • Energy Systems: Thermal power plants (steam turbine speed control loops) and hydro-generation stations.

  • Infrastructure: Municipal water treatment plants, industrial wastewater lines, marine shipbuilding, and large-scale power irrigation networks.

  • Light Industrial: Food processing systems, pharmaceutical cleanrooms, and automated HVAC/Building Automation Systems (BAS).

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