Auxiliary plant for use with boilers of heading 84.02 or 84.03
Auxiliary plant for use with boilers of heading 84.02 or 84.03 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapour power units. > Auxiliary plant for use with boilers of heading 84.02 or 84.03
Duty Rate (from China)
Products classified under Tariff item 8404.10
Boiler Air Preheater
> A rotary or tubular device that preheats combustion air using heat recovered from boiler flue gas, reducing fuel consumption. It is designed for direct integration with boilers of heading 84.02 or 84.03 and qualifies as auxiliary plant under tariff item 8404.10.00.
8404.10.00Boiler Draft Fan Silencer
An acoustic silencer designed for induced draft fans in boiler systems, reducing noise while maintaining required draft pressure differentials. This silencer is auxiliary plant for boilers. It is classified under tariff item 8404.10.00 as auxiliary plant for use with boilers of heading 84.02 or 84.03.
8404.10.00Boiler Economizer
> A heat recovery device installed in the flue gas path of steam boilers (headings 84.02 or 84.03) to preheat feedwater using residual heat from exhaust gases. It improves overall boiler efficiency and is explicitly covered as auxiliary plant under tariff item 8404.10.00.
8404.10.00Boiler Economizer Bypass Damper
A heavy-duty damper system that controls flue gas flow around economizers for temperature regulation, critical for safe operation during startup and load changes. This bypass damper is auxiliary plant for boilers. It is classified under tariff item 8404.10.00 as auxiliary plant for use with boilers.
8404.10.00Boiler Feedwater Preheater
A shell-and-tube preheater that uses extracted steam to raise feedwater temperature before it enters the boiler, reducing thermal shock and improving cycle efficiency. This feedwater preheater is auxiliary plant for boilers. It is classified under tariff item 8404.10.00 as auxiliary plant for use with boilers.
8404.10.00Boiler Superheater
> A component that heats steam beyond its saturation point after leaving the boiler drum, increasing energy content for turbine use in power generation. It is designed for use with boilers of heading 84.02 or 84.03 and qualifies as auxiliary plant under tariff item 8404.10.00.
8404.10.00Cast Iron Boiler Economizer
> A cast iron economizer designed to recover waste heat from boiler flue gases to preheat feedwater, improving overall boiler efficiency. It is classified under tariff item 8404.10.00 as auxiliary plant specifically for use with boilers of heading 84.02 or 84.03.
8404.10.00Condenser Air Removal Package
A vacuum pump and ejector system for removing non-condensable gases from steam condensers in power plants, maintaining condenser vacuum for optimal turbine performance. This air removal package is auxiliary plant for steam or other vapour power units. It is classified under tariff item 8404.10.00 as auxiliary plant for condensers.
8404.10.00Condenser Hotwell Pump Skid
A pre-assembled skid with pumps that transfer condensate from the condenser hotwell to the feedwater system, including level controls specific to power plant condensers. This pump skid is auxiliary plant for steam condensers. It is classified under tariff item 8404.10.00 as auxiliary plant for condensers of steam or other vapour power units.
8404.10.00Condenser Tube Cleaning System
An automated bullet or sponge ball circulation system that maintains condenser tube cleanliness, preventing efficiency loss from fouling. This tube cleaning system is auxiliary plant for steam power condensers. It is classified under tariff item 8404.10.00 as auxiliary plant for condensers of steam or other vapour power units.
8404.10.00Condensing Economizer Unit
> An advanced condensing economizer that recovers both sensible and latent heat from boiler exhaust, achieving high efficiency. It is designed exclusively as auxiliary plant for industrial boilers of heading 84.02 or 84.03 and falls under tariff item 8404.10.00.
8404.10.00Deaerator for Boiler Feedwater
> A vessel that removes dissolved oxygen from boiler feedwater to prevent corrosion, using steam scrubbing. It functions as auxiliary plant under tariff item 8404.10.00 when integrated with boilers of heading 84.02 or 84.03, and is typically tray or spray-type.
8404.10.00Deaerator Spray Valve Assembly
A specialized valve tray assembly for steam deaerators that removes dissolved oxygen from boiler feedwater, critical for corrosion prevention in steam cycles. This deaerator spray valve assembly is auxiliary plant for boilers. It is classified under tariff item 8404.10.00 as auxiliary plant for use with boilers.
8404.10.00Economizer Heat Exchanger Module
A heat recovery device installed in boiler flues to preheat feedwater using waste flue gases, enhancing boiler efficiency. This economizer heat exchanger module is auxiliary plant for boilers of heading 84.02 or 84.03. It is classified under tariff item 8404.10.00.
8404.10.00Fire Tube Economizer Module
> A modular fire tube economizer with multiple passes for maximum heat transfer from flue gases to boiler feedwater. It is specifically engineered as auxiliary equipment for water tube boilers under headings 84.02 or 84.03, qualifying under tariff item 8404.10.00.
8404.10.00Flue Gas Heat Recovery Unit
> An auxiliary system that captures waste heat from boiler exhaust gases to preheat combustion air or generate hot water. It qualifies under tariff item 8404.10.00 as a gas recoverer for boilers of heading 84.02 or 84.03, with a modular design for easy integration.
8404.10.00Gas-to-Gas Boiler Economizer
An air preheater that recovers flue gas heat to preheat combustion air for boilers, typically rotary regenerative or tubular recuperative design for gas-fired units. This gas-to-gas boiler economizer is auxiliary plant for boilers. It is classified under tariff item 8404.10.00 as auxiliary plant for use with boilers.
8404.10.00High-Pressure Economizer Assembly
> A heavy wall economizer assembly for high-pressure steam boilers exceeding 1000 psi operation. It is engineered specifically as auxiliary plant for power boilers of heading 84.02 or 84.03, featuring thick-walled tubes and reinforced headers, and falls under tariff item 8404.10.00.
8404.10.00Industrial Superheater Coil Assembly
A tubular coil assembly that superheats steam beyond saturation temperature in boiler systems, improving steam quality for turbine efficiency. This industrial superheater coil assembly is auxiliary plant for boilers. It is classified under tariff item 8404.10.00 as auxiliary plant for use with boilers.
8404.10.00Industrial Waste Heat Economizer
> A heavy-duty economizer for recovering waste heat from large industrial boilers, featuring bare tube and finned sections. It is classified under tariff item 8404.10.00 as essential auxiliary plant for boilers in power generation and industrial applications of heading 84.02 or 84.03.
8404.10.00Modular Economizer Bank
> A pre-assembled modular economizer bank with multiple tube circuits for scalable boiler applications. It is specifically designed as auxiliary plant for industrial boilers of heading 84.02 or 84.03, factory leak-tested with interconnection piping, and falls under tariff item 8404.10.00.
8404.10.00Packaged Boiler Economizer Kit
> A complete factory-assembled economizer kit including tubes, headers, casing, and mounting hardware for field installation on boilers. It is classified under tariff item 8404.10.00 as auxiliary plant despite kit packaging, due to exclusive design for boilers of heading 84.02 or 84.03.
8404.10.00Retractable Soot Blower Lance
> An extendable lance system that delivers cleaning media to boiler tube banks, retracting to avoid interference during operation. It is covered under tariff item 8404.10.00 as a soot remover auxiliary for boilers of heading 84.02 or 84.03, and is wall-mounted with automatic controls.
8404.10.00Retrofitted Economizer Insert
A compact economizer insert designed to be retrofitted into existing boiler stacks, recovering waste heat from flue gases to improve overall boiler efficiency. It includes a suspension frame and expansion joints for integration. Classified under tariff item 8404.10.00 as auxiliary plant for use with boilers of heading 84.02 or 84.03.
8404.10.00Soot Blower for Boilers
> An automated device using steam, air, or water jets to remove soot and ash deposits from boiler tubes and heat transfer surfaces, maintaining efficiency. It falls under tariff item 8404.10.00 as a soot remover, explicitly listed as auxiliary plant for boilers of heading 84.02 or 84.03.
8404.10.00Soot Blower System for Boilers
An automated mechanical or steam lance system that removes soot deposits from boiler tubes to maintain heat transfer efficiency, essential for reducing downtime in coal-fired boilers. This soot blower system is auxiliary plant for boilers. It is classified under tariff item 8404.10.00 as auxiliary plant for use with boilers.
8404.10.00Stainless Steel Economizer Coils
Corrosion-resistant stainless steel helical coils specifically designed for economizer service in biomass boilers, recovering heat from flue gas. These coils are engineered for the demanding conditions of biomass combustion. They are classified under tariff item 8404.10.00 as auxiliary plant for boilers.
8404.10.00Steam Desuperheater Injector
A water spray injector that reduces superheated steam temperature in boiler outlet headers, providing attenuation control for process steam requirements. This steam desuperheater injector is auxiliary plant for boilers. It is classified under tariff item 8404.10.00 as auxiliary plant for use with boilers.
8404.10.00Steam Power Unit Condenser
> A shell-and-tube heat exchanger that condenses exhaust steam from turbines back to water in vapor power cycles, enabling reuse in boilers. It is covered by tariff item 8404.10.00 as a condenser for steam power units associated with boilers of heading 84.02 or 84.03.
8404.10.00Steam Surface Condenser Tube Bundle
A steam surface condenser tube bundle is a removable assembly of finned tubes designed for heat exchange in surface condensers of steam power units. It facilitates efficient steam condensation by transferring heat from exhaust steam to cooling water, thereby maintaining turbine vacuum and improving overall power plant efficiency. This product qualifies under tariff item 8404.10.00 as auxiliary plant for use with boilers of heading 84.02 or 84.03, specifically as a component of condensers for steam power units.
8404.10.00Steel Tube Boiler Economizer
A finned steel tube economizer that captures residual heat from combustion gases to preheat boiler water, thereby reducing fuel consumption. This dedicated economizer is designed for steam boiler systems. It is classified under tariff item 8404.10.00 as auxiliary plant for use with boilers.