Grooved Iron Reducer Coupling 6x4-inch
A cast iron reducer coupling transitioning from 6-inch to 4-inch grooved pipes, essential for diameter changes in water distribution. Falls under HTS 7307.19.90.40 for other grooved-end cast fittings. Facilitates efficient flow transitions without custom fabrication.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made from forged steel
Forged reducers are excluded from cast fittings provisions.
If investment cast precision type
Precision investment cast fittings have their own specific subheading.
If imported as threaded variant
Threaded cast fittings classify differently from grooved ends.
Not sure which classification is right?
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Import Tips & Compliance
• Match reducer dimensions to ANSI/AWWA standards; include foundry test certificates; beware of tariff escalation if sold in sets with bolts/nuts
Related Products under HTS 7307.19.90.40
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Grooved Ductile Iron Elbow 4-inch 90-degree
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Grooved Steel Tee Fitting 3-inch
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Grooved Ductile Iron Cap 5-inch
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