Brass Flare Union Adapter
A brass union adapter with 45-degree flare ends for connecting dissimilar tube sizes in gas and hydraulic lines. Crafted from copper-zinc alloy for corrosion resistance in HVAC systems. Classified in HTS 7412.20.0045 as other brass copper tube fittings.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If copper alloy tubes, not fittings
Long sections without connection features classify as tubes under 7411.
If copper-tin base (bronze) alloys
Tin-predominant alloys use the bronzes subheading.
If parts of AC/refrigeration units
Fittings integral to complete AC systems may be parts of Chapter 84 machinery.
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Import Tips & Compliance
• Provide flare angle and tubing OD specs; mismatch leads to CBP reclassification as generic adapters
• Declare if NSF certified for potable use vs general industrial to affect quota applicability
• Ensure no plastic inserts/components to avoid mixed material headings
Related Products under HTS 7412.20.00.45
Brass Compression Elbow Fitting
A 90-degree elbow fitting made from copper-zinc base alloy (brass) designed for compression connections in plumbing systems. It connects copper tubing in water supply lines and is used in residential and commercial installations. Classified under HTS 7412.20.0045 as a copper alloy tube fitting of brass, other than specific excluded types.
Brass Threaded Coupling Connector
A straight brass coupling with female NPT threads on both ends for joining copper pipes in plumbing applications. Made from copper-zinc alloy, it provides a secure, leak-proof connection in low-pressure water lines. Falls under HTS 7412.20.0045 as other brass copper alloy tube/pipe fittings.
Brass Push-Fit Tee Connector
A T-shaped brass fitting using push-fit technology for branching copper tubing without soldering or threading. Ideal for DIY plumbing repairs and potable water systems, composed of copper-zinc base alloy. HTS 7412.20.0045 covers this as other brass tube fittings.
Brass Reducing Bushing Fitting
A brass bushing that reduces female thread size for adapting larger pipes to smaller ones in plumbing installations. Made of copper-zinc base alloy for durability in water distribution. HTS 7412.20.0045 includes this as other brass pipe/tube fittings.
Brass Hex Nipple Connector
A short brass nipple with male threads on both ends and hex body for wrench-tightening in pipe connections. Copper-zinc alloy construction suits low-pressure water and air lines. HTS 7412.20.0045 for other brass copper fittings.
Brass Compression Equal Tee
Equal outlet brass tee with dual compression ferrules for branching copper tubing equally in hydronic heating systems. Made from dezincified copper-zinc alloy. HTS 7412.20.0045 other brass fittings.