AEM-Technologies Izhora (a part of machine-building division of Rosatom - Atomenergomash) has shipped a pressurizer for Kudankulam NPP Unit 5.
The pressurizer is referred to the primary circuit equipment of VVER reactor and responsible for creating and maintaining pressure and coolant volume. 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 is being shipped to the Customer today. The pressurizer will have to cover a distance of over 17 thousand kilometers to the place of destination.
Kudankulam NPP is a nuclear power plant with VVER-1000 power units, located in the South of India, Tamil Nadu state. The first power unit has been working at design power of 1000 MW since 2016; a second one was connected to the national grid of India on 29 August, 2016. ROSATOM is currently building the second and the third trains (power units 3-6) of Kudankulam NPP.