The pressurizer is referred to the primary circuit equipment of VVER reactor and responsible for creating and maintaining pressure and coolant volume, according to a Rosatom statement.
It is used to limit pressure fluctuations in transient and emergency modes during the operation of a nuclear plant. The mass of the equipment is 187.5 tons. When assembled, it is about 14 meters long and 3.3 meters in diameter. Its capacity is 79 cubic meters and the wall thickness is 152 millimeters.
During hydraulic test, the equipment passed tightness test at high temperatures and the maximum admissible pressure of 24.7 MPa. The item was shipped to the customer on 3rd April 2023. The pressurizer will have to cover a distance of over 17 thousand kilometers to the place of destination.
Kudankulam NPP situated in Tamil Nadu in the south of India is supposed to include 6 Power Units with VVER-1000-type reactors with an installed capacity of 6000 MW. The first phase consisting of Units No. 1 and No. 2 was included in India’s national electricity grid in 2013 and 2016, respectively. Currently, the construction of Power Units Nos. 3, 4 and Nos. 5, 6, which are the second and third phases of Kudankulam NPP is ongoing.
AEM-Technologies is the biggest production company in the structure of Atomenergomash – machine-building division of the State Atomic Energy Corporation Rosatom. It is one of the leading Russian companies in the field of nuclear power engineering and the only Russian company with a full manufacturing cycle: from own production of a metallurgical blank to finished high-tech over-sized products, which is capable of shipping to anywhere in the world.
AEM-Technologies incorporates an engineering center in Saint Petersburg, staffed with experienced designers and process engineers and four production sites.
