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NA 620 Valve Stem Packing - Expanded PTFE Cord

All purpose, self forming PTFE valve stem packing

  • A non-staining and non-contaminating packing for use in valve stems
  • A low friction packing with a high degree of pliability enabling it to conform to valve stuffing box flaws and irregularities
  • Excellent chemical resistance even against strong acids and caustics

Easy to install, requiring minimum inventory

Service Media and Conditions Compatible in strong acid and alkali media, affected only by elemental fluorine and molten alkali metals
Temperature -232°C to 315°C
pH 0 to 14