A 42-foot nuclear pressure tank weighing 93 tons opens through a single 16-inch hatch, so ...

The Ringhals 4 nuclear reactor’s pressurizer tank suffered a heater failure incident in 2022, prompting crews to build a full-size replica for practice, conduct remote operations through a narrow 16-inch hatch, and deploy a Canadian robot for cleanup. The incident and remediation highlight complex maintenance challenges inside a large, high-radiation, single-access nuclear vessel.

This Wire brief sits within Fusion42's coverage of Industrial.