The CASTOR® 1000/19 cask is designed for the transport and storage of spent fuel assemblies (SFA) of the type VVER 1000.
The cask consists of:
The cask cavity is dried and filled with helium.
In combination with shock absorbers, the CASTOR® 1000/19 cask design complies with the international regulations of the IAEA for type B(U) package designs.
The cask also fulfills the requirements for long-term interim storage for a minimum of 60 years.
For the new cask type CASTOR® 1000/19, a license as a dual purpose cask for storage and transportation in the Czech Republic was issued in June 2010. So far, 48 casks have been successfully loaded in Temelín (CZ).