Parts
Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers; parts thereof: > Parts
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 8405.90.00.00
Acetylene Generator Calcium Carbide Feeder
Precision hopper-feeder for metered dispensing of calcium carbide into water reaction chambers of acetylene generators. Classified as a part under HTS 8405.90.00.00.
Water Gas Generator Steam Injector Nozzle
Tungsten carbide nozzle for high-velocity steam injection into water gas generator fuel beds to promote gasification. Wear-resistant part under HTS 8405.90.00.00.
Producer Gas Generator Pressure Gauge Manifold
Multi-port manifold distributing pressure sensing lines within producer gas generator systems for monitoring. Instrumentation part of HTS 8405.90.00.00.
Gas Generator Generator Frame Casting
Heavy-duty cast iron base frame providing structural support for complete producer gas generator assemblies. Foundational part under HTS 8405.90.00.00.
Gas Generator Heat Exchanger Coils
Stainless steel coils for recovering waste heat from producer gas generator exhaust streams. Integral cooling part under HTS 8405.90.00.00.
Producer Gas Generator Combustion Chamber
A heat-resistant steel combustion chamber designed specifically for producer gas generators, where solid fuel is partially oxidized to produce syngas. It falls under HTS 8405.90.00.00 as a dedicated part of producer gas generators essential for the gasification process.
Acetylene Gas Generator Purifier Tower
A vertical tower filled with purification media to remove impurities like phosphine from acetylene gas produced in water process generators. Classified under HTS 8405.90.00.00 as an integral purifier part of acetylene gas generators.
Water Gas Generator Feed Hopper
A vibratory hopper assembly for controlled feeding of coal or biomass into water gas generators during the steam-carbon reaction. It is a key part under HTS 8405.90.00.00 for water process gas generators.
Producer Gas Generator Gas Outlet Valve
High-temperature rated valve for regulating syngas outflow from producer gas generators, preventing backflow. Falls under HTS 8405.90.00.00 as a specialized control part.
Acetylene Generator Drum Seal Assembly
Sealing mechanism for calcium carbide drums in acetylene generators to control water reaction rate. Classified as a part of acetylene water process gas generators under HTS 8405.90.00.00.
Gas Generator Refractory Lining Bricks
High-alumina refractory bricks custom-shaped for lining the reaction chambers of producer or water gas generators to withstand extreme temperatures. Dedicated parts under HTS 8405.90.00.00.
Producer Gas Generator Ignition Burner
Gas-fired burner assembly for initial ignition of fuel bed in producer gas generators. Essential operating part classified in HTS 8405.90.00.00.
Water Gas Generator Ash Discharge Grate
Perforated rotating grate for intermittent ash removal from water gas generator beds during operation. A functional part of water process gas generators under HTS 8405.90.00.00.
Acetylene Generator Safety Relief Valve
Pressure relief valve calibrated for acetylene generator overpressure protection during water-carbide reactions. Safety-critical part under HTS 8405.90.00.00.
Producer Gas Generator Control Panel Enclosure
Explosion-proof enclosure housing electrical controls for producer gas generator operations like temperature and flow monitoring. Electrical part classified under HTS 8405.90.00.00.