Petrozavodskmash Plant (part of the Rosatom State Corporation's Machine-Building Division) has begun shipping the main circulation pump (MCP) casings for power unit No. 8 of the Tianwan NPP, which is being built according to the Russian project in China. This is the largest nuclear power plant in the world.
According to the manufacturers, the pump casings undergo all the necessary types of control during the manufacturing process, including X-ray, and a set of tests. The most important of the tests is the hydraulic test with excess pressure (24.5 MPa). After receiving a positive conclusion based on the results of all checks, the equipment is recognized as ready for shipment, and it is painted and preserved.
Currently, the machine builders have manufactured, tested, and shipped the first of the four pumping units to the construction site, which will be installed in the reactor hall.
Prior to this, Rosatom sent key parts of the facility to China for the Tianwan NPP: the nuclear reactor vessel and steam generators.
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