BOP Stack Assembly for Offshore Platforms
A blowout preventer (BOP) stack assembly is a critical safety component designed specifically for offshore oil and natural gas drilling platforms. It consists of multiple ram and annular preventers that seal the wellbore in emergencies, and is used solely or principally with boring or sinking machinery of subheading 8430.41 or 8430.49.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +25.0% | 25% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
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 imported as a complete boring or sinking machine rather than a part
Complete machines of subheading 8430.41 are classified there, not as parts.
If the BOP stack is used with machinery of heading 84.26, 84.29, or other 84.30 equipment
Parts for other machinery in those headings fall under 8431.49.
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
• Ensure the BOP stack is classified as a part of boring or sinking machinery, not as a complete machine
• Provide detailed technical documentation to the CBSA showing it is designed solely for use with subheading 8430.41 or 8430.49 equipment
• Verify if any import permits are required for oil and gas safety equipment
Related Products under Tariff item 8431.43.00
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A 3-1/2 inch NC38 numerical connection forged tool joint for conventional vertical oil and gas drilling with standard drill pipe sizes. It is a part of boring or sinking machinery of subheading 8430.41 or 8430.49. This tool joint is essential for connecting drill pipe sections.
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5-1/2 Inch 29/32 FH Tool Joint
A heavy-duty 5-1/2 inch tool joint with 29/32 Full Hole (FH) pin and box connections, forged from high-strength alloy steel for offshore oil drilling platforms. As a part designed solely or principally for boring or sinking machinery of subheading 8430.41 or 8430.49, it falls under tariff item 8431.43.00.
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Bail Anchor for Drilling
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