The Bettis RTS FL Fail-Safe Linear Electric Valve Actuator offers advanced, non-intrusive fail-safe technology for ON/OFF and modulation control in critical industries like oil & gas and water treatment. Its unique mechanical spring return ensures reliable operation without batteries, capable of delivering up to 5000 Nm torque. Features include adjustable speeds, SIL3 rating, Bluetooth® for easy configuration, and a local user interface, making it ideal for ensuring safety and efficiency in various applications.