NAC445A.6618. “Packing” defined.  


Latest version.
  • “Packing” means a material, usually composed of a lubricant and a woven or braided fiber of an animal, plant, mineral or metal nature, which is placed in rings around the shaft of a pump or stem of a valve and used to control leakage.

     (Added to NAC by Bd. of Health, eff. 2-20-97)