Double Mechanical Seal Arrangement from China
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 — China → United States
41.4%
Rate breakdown
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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