Threaded Ductile Iron Adapter Fitting
A threaded ductile iron adapter fitting that converts between different thread types or genders, such as male-to-female or NPT-to-BSP. It falls under tariff item 7307.19.00 as a cast fitting of iron or steel, 'other' category. Used to connect mismatched piping systems.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the adapter is of non-malleable cast iron
Non-malleable cast iron fittings are classified separately.
If the adapter is machined from solid bar stock rather than cast
Machined fittings from bar stock are not cast fittings.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Clearly specify the thread standards (NPT, BSP, etc.) on your import documents to avoid CBSA classification issues
• Ensure the adapter's pressure rating is suitable for your intended use
• Keep a material test certificate for ductile iron to support the tariff classification
Related Products under Tariff item 7307.19.00
Ductile Iron Bell Joint Adapter
A bell joint adapter fitting cast from ductile iron, designed to connect push-on bell pipe ends to plain end pipe sections. It provides a secure, restrained joint for legacy water systems, ensuring leak-proof connections in municipal infrastructure. This fitting falls under tariff item 7307.19.00 as a cast fitting of iron or steel, not elsewhere specified.
Ductile Iron Cross Fitting
A four-way cross fitting cast from ductile iron with flanged outlets, used for complex water distribution branching. It enables multi-directional flow in high-integrity piping systems, making it essential for municipal waterworks. This fitting is classified under tariff item 7307.19.00 as a cast fitting of iron or steel.
Ductile Iron Dismantling Joint
An adjustable dismantling joint fitting made from ductile cast iron, designed to facilitate easy removal of pipe sections during maintenance. It allows axial movement and disassembly without cutting pipes, making it ideal for water supply lines. This fitting is classified under tariff item 7307.19.00 as a cast fitting of iron or steel.
Ductile Iron Double Flanged Adapter
A double-flanged adapter cast from ductile iron, used to transition between flanged and mechanical joint pipe ends. It ensures leak-proof connections in waterworks transitions, providing a reliable interface in piping systems. This adapter is classified under tariff item 7307.19.00 as a cast fitting of iron or steel.
Ductile Iron Eccentric Reducer
An eccentric reducer fitting cast in ductile iron with flanged connections, used for size transitions in drainage systems. It prevents air pockets in flow, maintaining efficient fluid movement in piping networks. This fitting is classified under tariff item 7307.19.00 as a cast fitting of iron or steel.
Ductile Iron Flanged Elbow 90 Degree
A 90-degree elbow fitting made from ductile iron with flanged ends, used for connecting cast iron pipes in water distribution systems. It is designed for high-pressure piping applications, ensuring reliable directional changes. This elbow is classified under tariff item 7307.19.00 as a cast fitting of iron or steel.