The company said the component, has also undergone heat treatment at 650 degrees Celsius for 10 hours to remove any residuals from the welding.
The pressuriser weighs about 180 tonnes and has a volume of about 80 cubic metres. It is designed to create and maintain the operating pressure in a nuclear reactor’s primary loop.
The $20bn Akkuyu nuclear power station, the first commercial nuclear power station in Turkey, is being built near Mersin on the country’s southern Mediterranean coast under a contract signed with Russia in 2010.
The station will have four Generation III+ VVER-1200 units, with the first expected to come online in 2023 and a further unit starting every year afterwards.