Heat Recovery Damper Assembly from Japan
Adjustable blade damper controlling flue gas bypass around economizer sections in boiler heat recovery systems. Parts under HTS 8404.90.00.00 for gas recoverers. Enables temperature control for optimal recovery.
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
• Leakage class ratings (e.g
• Class I-VIII) per AMCA standards for validation
• High-temperature gasket materials require separate chemical declarations
• Actuator integration may trigger partial electrical classification review