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Aluminum Bulkhead Union Fitting

Bulkhead union for passing tubes through tank walls with sealed connections. Under HTS 7609.00.00.00 as specialized pipe fitting. Used in marine fuel systems and pressure vessels.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.7%+35.0%40.7%
🇲🇽Mexico5.7%+10.0%15.7%
🇨🇦Canada5.7%+10.0%15.7%
🇩🇪Germany5.7%+10.0%15.7%
🇯🇵Japan5.7%+10.0%15.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8409.91.10Lower: 35% vs 40.7%

If for marine diesel parts

Parts of specific engines shift to Chapter 84/85 end-use.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Panel thickness ratings and gasket materials must be documented for function

ATEX/IECEx certs for hazardous locations aid customs review

Not structural bulkheads; purely fitting classification

Related Products under HTS 7609.00.00.00

Aluminum Elbow Fitting 90 Degree

A 90-degree elbow fitting made from extruded aluminum alloy, used to connect aluminum pipes at right angles in plumbing and HVAC systems. It falls under HTS 7609.00.00.00 as an aluminum tube or pipe fitting designed for joining pipes. The fitting is typically threaded or weldable for secure connections.

Aluminum Threaded Coupling

A straight aluminum coupling with internal/external threads for joining two aluminum tubes end-to-end in fluid transfer systems. Classified under HTS 7609.00.00.00 as a tube/pipe fitting example like couplings. Commonly used in irrigation and pneumatic applications.

Aluminum Reduction Sleeve

A tapered aluminum sleeve fitting that connects tubes of different diameters in piping systems. It qualifies under HTS 7609.00.00.00 as a sleeve-type tube/pipe fitting. Ideal for transitional sizing in automotive and marine plumbing.

Aluminum Barstock Tee Fitting

A T-shaped fitting forged from aluminum barstock for branching pipe connections in pressure vessels. Falls under HTS 7609.00.00.00 as an aluminum tube/pipe fitting. Used in oil & gas and chemical processing.

Aluminum Compression Union Fitting

A compression-type union fitting made of aluminum for easy disconnection of tube sections without tools. Classified in HTS 7609.00.00.00 as a pipe coupling variant. Common in refrigeration and air conditioning lines.

Aluminum Pipe Cap End Fitting

Threaded or slip-on aluminum cap used to seal the end of aluminum pipes in systems. Under HTS 7609.00.00.00 as a tube/pipe fitting closure. Applied in plumbing termination and pressure testing.