Downcomer Pipe Section from Germany

Large-diameter pipe that circulates hot water from boiler drum to lower mud drum in water-tube steam boilers. Classified as HTS 8402.90.00.90 for its role in vapor generating systems.

Duty Rate — Germany → United States

14.3%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Specify seamless construction and pressure ratings matching boiler design codes

Pair with riser pipe diagrams to show complete circulation system context