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Overview
The E68 Series Electric Thermal Actuator is an electric drive component designed for use with manifold branch valves, small control valves, and dynamic balancing valves. It provides reliable on/off (two-position) control in hydronic heating systems and central air conditioning water systems—particularly for applications such as return water valve control. The actuator is typically mounted directly onto the return pipe of a manifold or onto a thermostatic valve body.
This model features a normally closed design: it remains closed when de-energized and automatically opens upon power activation.
Key Features
Utilizes PTC (Positive Temperature Coefficient) heating technology for efficient and stable operation.
Equipped with a spring return mechanism for fail-safe closure during power loss.
Operates silently—ideal for noise-sensitive environments.
Includes visual indication of stroke position or valve opening degree.
Simple installation and maintenance via M30×1.5 mm threaded nut connection.