OMK-160A Part-Turn Electric Actuator 1600Nm

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OMK-160A Part-Turn Electric Actuator (1600Nm / Active Contact Type)

The OMK-160A is a high-capacity, heavy-duty part-turn electric actuator designed and manufactured by OMKEE. Engineered for high-torque applications across large-scale fluid infrastructure, it delivers a massive standard output torque of 1600 Nm to smoothly automate heavy industrial ball valves, butterfly valves, and plug valves.

Product Information

Brand:

OMKEE

Model number:

OMK-160A

Standard Torque/Speed:

45S/1600Nm

Protection Class:

IP68

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Product Details

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 severe outdoor weathering or high-heat processing environments.

2. High-Torque Motor with 1.5x Safety Reserve

Heavy pipeline infrastructure creates extreme friction resistance, especially under peak fluid pressure loops or when handling sticky, high-viscosity media. To prevent motor stalling, OMKEE engines the OMK-160A motor 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 sudden rotational shocks, the OMK-160A 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

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

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Global Compliance and Applications

The OMK-160A 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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Address: Room 2, 5th Floor, Building 1, Gezhouba Taiyang City, East of Fozuling 2nd Road, South of Gaoxin 4th Road, East Lake High-tech Development Zone, Wuhan, Hubei, China.Mobile phone: +86-18827404378Telephone: +86 027-81388429Email: whomkkj@126.com

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About us

Wuhan OMEC Technology Co., Ltd. is a leading high-tech enterprise specializing in the R&D, manufacturing, and technical service of valve drive devices and industrial automation control systems.

Our flagship OMKEE series electric actuators are meticulously engineered by veteran R&D experts to meet the most demanding industrial environments. We provide compact, high-reliability solutions for modern flow control.