8484.20.00.00/Double Mechanical Seal Arrangement/Japan

Double Mechanical Seal Arrangement from Japan

Tandem or back-to-back double mechanical seals with barrier fluid provisions for hazardous fluid handling in petrochemical pumps. HTS 8484.20.00.00 covers these as mechanical seals despite dual faces. Provides redundancy for safety-critical applications.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Specify arrangement type (tandem/back-to-back) and barrier fluid compatibility in entry docs

• Comply with API 682 standards documentation for petroleum industry acceptance

• Separate barrier system components to avoid set classification issues