Key Component Features & Material Engineering

1. Rugged ADC12 Aluminum Enclosure

The actuator casing is built from premium ADC12 die-cast aluminum. The raw casting undergoes specialized artificial aging and shot-blasting treatments to optimize structural density and strength. It is then finished with a high-durability thermo-sprayed powder coating thicker than 0.2 mm that safely withstands temperatures above 150°C without peeling or cracking.

2. High-Torque Motor with Safety Reserve

Industrial pipeline networks create heavy friction loads due to media thickness or system pressure surges. To ensure seamless operation, OMKEE motors are engineered with a 1.3x to 1.5x torque safety reserve. Crucial factors—such as motor temperature rise, rotational inertia, and insulation wear curves—are heavily optimized. This allows the actuator to handle frequent start-stop full loads without stalling.

3. Spline Joint and Forged Worm Gear Drive

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

Instead of fragile, cheap one-piece structures that snap under sudden rotational shocks, the OMK-60B connects the output shaft and the worm wheel via a high-strength spline connection to distribute mechanical forces evenly.

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

Global Compliance and Applications

The OMK-60B complies fully with the JB/T8219-1999 manufacturing standard for industrial electric actuators. It is officially certified under test report No. C16040-WT by the Shanghai Institute of Process Automation Instrumentation. Furthermore, OMKEE manufacturing plants maintain verified compliance with ISO 9001:2008 and the European Union CE Certification, making this product ready for direct export into world markets.

Target Applications:

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

• Energy Systems: Thermal power plants (steam and cooling loop systems) 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).