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Responsibility, reliability, quality

PWR fuel assemblies

TVS-K (17х17) Fabricated for NPPs operating PWR reactors
Main characteristics:
Number of fuel elements 264
Fuel mass 527,5 kg
Fuel assembly power (thermal) 20,1 MWt
Service life 6 years

Design features

Fuel assembly skeleton is formed by spacer grids welded to guide thimbles. Spacer grids consist of the plate-type frame with cells welded within. Hydraulic brake is integrated in the load-bearing frame. Fuel assembly is secured in place by means of wound springs. Domestic alloys based on zirconium sponge are used as structural materials.

TVS-K (17х17)