The Ex-proof electric actuator is specially designed to provide safe control in environments containing hazardous and explosive gases. This device is used for reliable valve operation in areas with a risk of explosion. Operated by an electric motor, the actuator is built to minimize contact with the external environment. It is equipped with specially designed housings for explosion protection and flameproof components.

Ex-proof actuators developed by UNOX are fully compliant with international safety standards such as ATEX and IECEx. This allows them to be safely used in industrial facilities where gas or dust explosions are possible. They provide maximum safety in situations with spark generation risk, protecting both personnel and equipment.

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Where is Ex-proof Electric Actuator Used?

The Ex-proof electric actuator is widely used, especially in petroleum and natural gas refineries. It is also preferred in chemical processing plants, in environments containing solvents and volatile liquids. Additionally, it is employed in pharmaceutical production areas for flow control systems that require high precision and safety.

It also provides effective solutions in dust-prone environments with explosion risk. It is actively used in hazardous areas such as mines, paint factories, tank farms, and explosive storage facilities. UNOX Ex-proof actuators are compatible with both butterfly and ball valves.

General Structural Features

Ex-proof electric actuators deliver high-torque performance with a robust three-phase motor. Maximum safety is ensured through torque control, stroke adjustment, open-close indicators, a manual override lever, and sealed electrical connection points.

Models are available in 24V DC and 220V AC versions, offering different torque levels according to system requirements. A manual control wheel allows for intervention by hand in case of a power outage.

Torque Setting

All models feature a mechanically adjustable torque mechanism. Although this mechanism is preset at the factory for optimal operating conditions, it can be manually readjusted by the user if necessary.

Ex-proof Electric Actuator Product Features

Housing: High-strength cast construction
Protection Rating: IP68
Operating Temperature: -10°C to +80°C
Connection: ISO 5211 standard
Electrical Connection: 1/2” Waterproof Connector
Operating Time: Approximately 8–10 seconds

Ex-proof electric actuators developed by UNOX provide both high performance and complete safety in explosive environments. You can explore our actuator category for other product options.