Steam Boiler Expansion Joint
Bellows-type expansion joint absorbing thermal movement between boiler sections in high-pressure steam systems. Specific part for HTS 8402.90.00.90 vapor generating boilers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general piping expansion joints
Pipe system compensators not boiler-specific go to transmission shaft category.
If simple slip joints
Basic mechanical pipe joints classify as tube/pipe fittings.
Not sure which classification is right?
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Import Tips & Compliance
• Provide cycle life calculations based on boiler temperature swings
• Certify bellows material (e.g
• 321 stainless) for steam corrosion resistance
Related Products under HTS 8402.90.00.90
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Retractable cleaning lance that extends into boiler gas passes to remove soot deposits during operation. Mechanical cleaning part for industrial steam boilers under HTS 8402.90.00.90.
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Assembly of baffles, separators, and dryers installed inside boiler steam drums to remove moisture from generated steam. Specifically parts for heading 8402 vapor boilers under HTS 8402.90.00.90.
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Boiler Fire Tube Replacement
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