Cryogenic LNG Valve Packing Gland from Mexico
PTFE and graphite composite packing gland for cryogenic valves handling LNG at -196°C in tanker and storage systems. Compresses sealing rings around stem, under HTS 8481.90.90 as a valve part.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide cryogenic test data (-196°C leak rates) to confirm specialized function
• Material Safety Data Sheets essential for composite packing materials
• Declare exact stem diameter compatibility to prove dedicated design