Intelligent Control | High-Precision Modulation | Industrial-Grade Reliability
The OMK-40E-ZT14A is a next-generation smart integral modulating electric actuator designed for precise automation in demanding industrial environments. Equipped with an advanced intelligent control module and a non-intrusive design, it offers seamless integration, real-time diagnostics, and exceptional modulation accuracy for rotary and linear valves.
Key Features
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Smart Integral Design: Built-in intelligent control unit eliminates the need for external positioners, reducing wiring complexity and minimizing failure points.
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High-Precision Modulation: Supports standard 4-20mA or 0-10V input/output signals for precise proportional control with minimal dead band.
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Non-Intrusive Calibration: Easy commissioning via local magnetic knobs or an infrared remote control—no need to open the housing cover in volatile environments.
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HD LCD Visual Interface: High-definition display provides real-time status updates, valve position percentages, operating modes, and fault diagnostics.
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Robust Protection: Standard IP67 (optional IP68) waterproof and dustproof enclosure ensures stable operation under harsh outdoor and industrial conditions.
Technical Specifications
| Parameter | Specification Details |
| Model | OMK-40E-ZT14A |
| Control Type | Intelligent Modulating Type (Proportional Control) |
| Input / Output Signal | 4-20mA DC / 0-10V DC |
| Power Supply | 220V AC / 380V AC / 24V DC (Optional) |
| Output Torque / Thrust | Rated for heavy-duty industrial valves (Match configured application) |
| Enclosure Protection | IP67 (IP68 Optional) |
| Explosion-Proof Class | Ex d IIC T4 Gb (Optional configuration available) |
| Ambient Temperature | -20°C to +70°C |
| Basic Error | $\le \pm1.0\%$ |
| Dead Band | 0.5% – 3% (Adjustable) |
Internal Structure & Working Principle
The actuator utilizes a high-efficiency synchronous motor coupled with a precision worm gear system to deliver stable torque. The integrated microprocessing unit continuously compares the input control signal with the actual position feedback from the contactless absolute encoder, automatically adjusting the motor's direction and speed to maintain flawless valve positioning.
Smart Protection Mechanisms
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Over-Torque Protection: Automatically cuts off power if the valve jams, preventing mechanical and motor damage.
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Phase Failure & Reversal Protection: Safeguards 3-phase power setups against incorrect wiring or phases dropping out.
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Thermal Overload Protection: Built-in temperature sensors automatically pause operation if the motor overheats, resuming once cooled.
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Signal-Loss Action: Fully programmable to fail safe (Fail Open, Fail Close, or Stay in Put) if the input control signal is lost.
Target Applications
The OMK-40E-ZT14A is widely utilized across automated process industries, including:
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Water & Wastewater Treatment: Flow control, filtration systems, and chemical dosing.
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HVAC Systems: Large-scale building automation and cooling towers.
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Power Generation: Damper regulation and steam/water valve modulation.
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Chemical & Petrochemical: Safe, precise fluid control in pipeline networks.
Ordering Information & Package Checklist
When placing an order or requesting a quote, please specify:
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Operating Voltage (e.g., Single-phase 220V or Three-phase 380V)
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Valve Type & Connection Interface (Flange, ISO5211 base details)
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Explosion-proof requirements, if applicable.
What's in the Box:
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1 × OMK-40E-ZT14A Electric Actuator
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1 × Infrared Remote Controller (For non-intrusive setup)
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1 × User Manual & Quality Certificate
