Electric Actuators

Electric actuators provide precise, reliable motion control for industrial valve automation and process control applications. Available exclusively through Tectra Automation, this range includes EA on-off rotary type, AM rotary modular type and AE on-off rotary type electric actuators, each engineered for accuracy and dependable performance. Manufactured on a state-of-the-art production line, these industrial electric actuators support controlled rotary movement, consistent valve positioning and efficient automation in demanding environments. Each electric actuator has a working noise level of 73 dB or lower, with motor insulation classes designed for reliable industrial operation.

AM Rotary Modular Type

Electric actuator with -25 to 55 °C working temperature, graduated visual position indicator and auto-reset thermostatic motor protection.

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EA On-Off Rotary Type

Electric actuator with -25 to 60 °C temperature range, external graduated visual position indicator and auto-reset thermostatic protection.

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AE On-Off Rotary Type

Electric actuator with -12 to 55 °C working temperature, 73 dB maximum working noise and auto-reset thermostatic motor protection.

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Bosch Rexroth Africa supplies electric actuators, electric valve actuators and electric rotary valve actuator solutions across Africa.

Quality electric actuators, no exceptions:

A thorough inspection process helps guarantee the quality and reliability of every electric actuator supplied by Tectra Automation. Each unit is inspected by onsite operators using certified tools and measuring equipment, then double-checked by the manufacturer’s quality department using a computerised 3D touch-testing program.

Every electric actuator undergoes this quality process before being handed over to Tectra Automation, ensuring that dependable performance, engineered accuracy and product quality are passed on to our customers.

These industrial electric actuators are designed and manufactured to deliver maximum performance across numerous applications, including demanding operating environments throughout sub-Saharan Africa.

Tectra Automation supplies electric actuators for industries and applications including automotive, biogas, water and wastewater, chemical processing, food and beverage, textile, petrochemical, marine, mining, energy and power generation, steel works and oil and gas. They are well suited to electric valve actuator, rotary valve actuator and process control applications where reliable automation is essential.

We'll help you find the electric actuator that best suits your application. Send us an enquiry today!

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Additional information on electric actuators from Tectra Automation

EA On Off Rotary Type: The EA on-off rotary type electric actuator has a 90° working angle, with a maximum of 100°, torque from 10 to 1 960 Nm and working temperatures from -25° to 55°C. These electric actuators include safety adjustable mechanical limit switches and a detachable lever for manual operation, making them suitable for reliable rotary valve actuator and industrial valve automation applications.

AM Rotary Modular Type: The AM rotary modular type electric actuator offers torque from 49 to 1 960 Nm and a 90° working angle, up to a maximum of 100°. These electric actuators include safety adjustable mechanical limit switches, a graduated visual position indicator and working temperatures from -25° to 55°C. Supply cables can be locked using cable presses, while auto-reset motor protection, class E insulation, optional auxiliary limit switches and torque limiters support dependable electric valve actuator performance.

AE On-Off Rotary Type: The AE on-off rotary type electric actuator has a working temperature range of -12° to 55°C and features auto-reset thermostatic motor protection. These electric actuators include safety adjustable mechanical limit switches, a detachable lever for manual operation and nominal working torque from 35 to 240 Nm. Ball bearings support the rotor, and IP67 connectors with pre-wired cables are available for reliable industrial electric actuator applications.

Highest quality process valves

Omal Automation process valves are manufactured and tested across three plants in Milan, Italy, using advanced manufacturing technologies. These facilities include a foundry, painting plant, CNC centre, plastic injection, assembly areas, laboratories and a dedicated quality department.

This controlled production environment supports consistent quality across the process valves used with Tectra Automation’s electric actuators, electric valve actuators and electric control valve actuator solutions. It also enables maximum control over each production step and allows the manufacturer to respond quickly to changing industrial automation and market requirements.

Our range of Omal Automation process valves

Omal Automation pneumatic and electric actuators form part of Tectra Automation’s comprehensive range of process valve solutions for industrial automation and process control applications.

Available exclusively from Tectra Automation, part of the Bosch Rexroth South Africa Group of Companies, the Omal Automation process valve range includes ball valves, butterfly valves and pneumatic valves. These products can be paired with suitable electric valve actuators, rotary valve actuators and pneumatic actuators.

Multiple industrial uses

For more than 30 years, Omal Automation has supported operators in achieving safer, more reliable plants by manufacturing process valves to precise engineering standards and high levels of technical expertise.

These process valves have achieved strong success in the oil and gas processing industry and are suitable for cross-industry applications where dependable valve performance, automation and process control are required. When paired with electric actuators, electric valve actuators or pneumatic actuation systems, they help support accurate automated valve control in demanding environments.

Examples include:

Blast furnaces: Butterfly valves used on modular skids for gas mixing in blast furnace applications.

Wastewater treatment plants: Actuated valve solutions used to provide precise automated valve control in water treatment processes. 

Pharmaceutical manufacturing: Wafer ball valves with double-acting actuators used in pharmaceutical manufacturing applications where reliable process control is essential.

Comply with the highest safety and environmental standards

Omal Automation process valves are certified to recognised performance, safety and environmental standards, supporting reliable use in industrial automation, process control and electric actuator valve applications.

These certifications include:

  • ISO 9001 — Quality Management Systems
  • ISO 14001 — Environmental Management Systems
  • Directive 97/23/EC — PED, Pressure Equipment Directive
  • ATEX Directive — for use in potentially explosive environments
  • GAS distribution systems in accordance with EN 13774
  • SIL determinations

When combined with suitable electric actuators or electric valve actuators, certified process valves help support safer, more dependable automated valve control in demanding industrial environments.

Frequently asked questions

What are electric actuators used for?
Electric actuators are used to automate movement in industrial systems, especially where valves need to be opened, closed or positioned accurately. Rotary electric valve actuators, including quarter turn electric actuators, are commonly used for automated valve control, while electric linear actuators are used where straight-line motion is required.
 
How do electric actuators work?
Electric actuators work by using an electric motor to generate controlled movement. In rotary valve applications, this movement is transferred through the actuator mechanism to turn a valve, usually through a set angle such as 90°. This makes electric valve actuators suitable for automated valve control, process control and industrial automation systems.
 
Which industries use electric actuators?
Industrial electric actuators are used across industries that require reliable valve automation and process control. Common applications include water and wastewater treatment, oil and gas, chemical and petrochemical processing, food and beverage, mining, power generation, marine, steel works, biogas, textiles and pharmaceutical manufacturing.
 
What are the advantages of electric actuators?
The advantages of electric actuators include precise control, reliable positioning, low working noise, reduced manual operation and suitability for automated process systems. Compared with some pneumatic systems, electric actuation can also offer easier installation where compressed air infrastructure is not available, as pneumatic actuators require an air supply and supporting equipment.
 
What is the difference between electric and pneumatic actuators?
The main difference is the power source. Electric actuators use electrical energy to create controlled movement, while pneumatic actuators use compressed air. Electric actuators are often selected for precision, positioning control and easier integration into electrical automation systems, while pneumatic actuators are commonly used where fast cycling, simple operation or existing compressed air infrastructure is available.
 

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