Double Mechanical Seal Arrangement from Mexico
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 — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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