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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +37.5% | 37.5% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +12.5% | 12.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for laboratory-scale chemical reactors
Lab equipment parts go to Chapter 84 for dryers/reactors.
If plastic drum seals sold separately
Plastic components classify by material in Chapter 39.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Safety certifications for hazardous gas handling required; detail seal material compatibility with carbide residue; pitfall: chemical reactor part misclassification
Related Products 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.