Nuclear Reactor Internals Upper Guide Structure from United States
A nuclear reactor internals upper guide structure is a lattice framework installed above the reactor core to align and guide control rods and fuel assemblies during refueling operations. It is a critical reactor internal that ensures precise positioning and safe operation. This guide structure is classified under tariff item 8401.40.00 as a part of nuclear reactors.
Duty Rate — United States → Canada
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- CNSC
Import Control · Required
CANADIAN NUCLEAR SAFETY COMMISSION: CNSC Import Control (Nuclear Equipment) requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Starts With 84014).
CBSA Single Window matching criteria, unknown
Import Tips
• Provide detailed drawings and material certifications to show the guide structure is reactor-specific
• Ensure compliance with Canadian nuclear standards and include a clear description of its role in reactor operations