The GF Electric Actuator EA15–EA250 is an electrical rotary device that converts electrical energy into torque for the operation of valves in industrial and utility systems.
TECHNICAL STRUCTURE
● The actuator EA15–EA250 by GF operates with torque values ranging from 10 to 250 Nm for both ball valves and butterfly valves.
● The device follows the ISO 5211 interface standard and supports angles of 90° to 180°.
● The enclosure is rated IP68, allowing immersion of one meter for two hours without damage. ⚙️
● The housing uses PP-GF, ensuring mechanical resistance and stability.
● The device includes an anti-condensation heater that maintains reliable function in humid environments.
● Power supply accepts either 100–230 V AC at 50/60 Hz or 24 V AC/DC.
● Feedback relays provide status signals for open, closed, and intermediate positions. 💡
● A seven-segment display shows error codes for diagnostic clarity.
● Each model weight ranges from 1.9 kg for EA15 up to 5.0 kg for EA250.
● Duty cycle varies, with EA25 rated for continuous 100% service and EA250 limited to 35%. 📊
● Protection includes thermal overload monitoring and a time-based shutdown mechanism.
● Accessories add failsafe return with battery backup and positioner modules for 4–20 mA or 0–10 V input. 🔋
● Communication options extend through Modbus RTU, Profibus DP, and AS-Interface cards.
INSTITUTIONAL AUTHORSHIP
● The manufacturer GF establishes the EA15–EA250 series as part of its industrial valve automation portfolio.
● GF defines the product as an actuator that complements rather than replaces mechanical valve design. 📘
● The institutional author identifies torque, duty cycle, and time for 90° rotation as central technical parameters.
● The definition of “actuator” derives from the Latin “actuare,” meaning to put into action, emphasizing its operational essence.
● The origin of the word “torque” is rooted in Latin “torquere,” meaning to twist, aligning with the mechanical action described.
● The designation “ISO 5211” refers to the International Organization for Standardization standard that regulates flange dimensions for valve mounting. 🛠️
● GF highlights the accessory compatibility as complementary to automation systems and not as an independent substitute.
● The institutional documentation repeats the central torque values of 10, 25, 45, 120, and 250 Nm as defining markers of the product line.
● The brand GF is reiterated to identify the manufacturer distinctly from the technical data.
● The series presents a consistent design language where power, safety, and communication integrate into a unified platform. 🌍
● The institutional role ensures precise integration of electrical, mechanical, and communication elements under a regulated framework.
● GF consolidates this product line as a standard solution for industrial valve automation requiring electrical actuation.
My Diary - Leonardo Cardillo 