Watertube boilers with a steam production exceeding 45 t per hour
Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof: > Steam or other vapor generating boilers: > Watertube boilers with a steam production exceeding 45 t per hour
Duty Rate (from China)
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
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8402.11.00.00
Industrial Watertube Boiler for Power Plants
A large-scale watertube boiler designed for utility power plants, capable of generating over 45 tons of steam per hour through water-filled tubes heated by combustion gases. It falls under HTS 8402.11.00.00 due to its watertube design and high steam output exceeding 45 t/hour, used primarily for electricity generation.
High-Capacity Watertube Recovery Boiler
A specialized watertube boiler used in pulp and paper mills to recover chemicals from black liquor, producing over 45 tons of steam per hour. Classified under HTS 8402.11.00.00 for its watertube construction and exceeding steam production limit, integral to biomass energy recovery processes.
Marine Watertube Steam Boiler
A robust watertube boiler for large cargo ships and tankers, generating excess of 45 tons steam per hour for propulsion turbines. It qualifies for HTS 8402.11.00.00 as a watertube steam generator surpassing the capacity threshold, built to withstand marine conditions.
Utility-Scale Biomass Watertube Boiler
A watertube boiler fueled by biomass for independent power producers, outputting over 45 t/hr steam for turbine generation. Falls under HTS 8402.11.00.00 due to watertube design and high-capacity steam production for non-domestic use.
Oil Refinery Process Steam Watertube Boiler
Heavy-duty watertube boiler supplying high-pressure steam over 45 tons per hour for refinery cracking and distillation processes. Classified in HTS 8402.11.00.00 for its watertube configuration and exceeding steam production specs in petrochemical applications.
Combined Cycle Power Plant HRSG Boiler
Heat Recovery Steam Generator (HRSG) watertube boiler in gas-fired combined cycle plants, producing >45 t/hr steam from turbine exhaust. HTS 8402.11.00.00 applies to its watertube recovery design and high steam capacity for supplemental power generation.
Waste-to-Energy Plant Watertube Boiler
Watertube boiler in municipal waste incineration facilities generating over 45 tons steam per hour for district heating or power. Under HTS 8402.11.00.00 for watertube steam production exceeding threshold in waste energy recovery.
Chemical Plant High-Pressure Watertube Boiler
High-pressure watertube boiler for steam cracking in ethylene production, outputting >45 t/hr for process heat. HTS 8402.11.00.00 classification based on watertube design and steam capacity in chemical manufacturing.
Steel Mill Cogeneration Watertube Boiler
Watertube boiler in steel plants recovering blast furnace gas to produce >45 t/hr steam for rolling mill power. Fits HTS 8402.11.00.00 as high-capacity watertube generator for industrial cogeneration.
Geothermal Power Plant Steam Boiler
Heavy-duty watertube flash steam boiler handling geothermal fluids to produce over 45 tons steam per hour. Classified HTS 8402.11.00.00 for watertube construction in high-output renewable steam generation.