Boiler Draft Fan Silencer from Japan
Acoustic silencer for induced draft fans in boiler systems, under HTS 8404.10.0050 as auxiliary plant. Reduces noise while maintaining required draft pressure differentials.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document acoustic attenuation and pressure drop specifications
• Include fan airflow matching data
• Avoid general silencer classification