Cryogenic LNG Valve Packing Gland
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.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If PTFE components not assembled as valve seals
Plastic articles classify under Chapter 39 without metal valve integration.
If for LNG processing semiconductor-related equipment
Specialty machinery parts may qualify under semiconductor provisions.
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Import Tips & Compliance
• 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
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