Downcomer Pipe Assembly from Japan
Downcomer pipes circulate unheated water from the steam drum to boiler lower headers in natural circulation systems. These dedicated circulation components, made of heavy wall seamless construction, are covered under tariff item 8402.90.00 as parts of steam generating boilers.
Duty Rate — Japan → Canada
0%
Import Tips
• Classify the downcomer pipe assembly under 8402.90.00 as a boiler part
• Provide engineering drawings showing its role in the boiler circulation system
• Ensure the pipes meet Canadian pressure piping codes