Russian nuclear equipment manufacturer Atommash has assembled ahead of welding the lower half of the reactor pressure vessel (RPV) for China’s Tianwan-7 nuclear power plant, parent company Atomenergomash said.
The 160-tonne structure with a diameter of 4.5 metres was assembled in a vertical position but then placed horizontally on a special stand in preparation for welding, a statement said.
Atomenergomash said welding will be automated and is expected to take 17 days at constant temperatures between 150 and 300 degrees Celsius in the zones of the welding seams.
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