O-Rings

Materials & Properties  

• Nitrile (Buna N)
  • Available in 70 and 90 Duro
  • Resistant to petroleum based oils, hydrocarbon fuels over temperature range of -40F to 250F

• Nitrile (Buna N) FDA Grade
  • Acceptable in contact with food

• Dupont-Dow Viton
  • 75 Duro
  • Resistant to combination of chemicals, weather and compression over of range of -20F to 400F
  • Black or Brown in color

• Silicone
  • 70 Duro
  • FDA Approved
  • Excellent dry heat resistance
  • Resistant to temperatures -80F to 400F
  • Meets Military and FDA specifications required by food, medical, electrical and filter manufacturers

• EPDM
  • 70 Duro
  • FDA Approved
  • Resistant to temperatures -65F to 300F
  • Resistant to tears, abrasions, weathering and ozone
  • Applications: food, water, steam  

NSF Standard 61, FDA, 3A Sanitary Approved  

• NSF Standard 61
  • Portable water applications
  • Ensures the prevention of drinking water contamination

• FDA Approved
  • Meets FDA requirements for synthetic rubber compounds
  • Wide range of material: EPDM, Nitrile, Silicone, Dupont-Dow Viton and Neoprene

• 3A Sanitary
  • Standard formulated by “The International Association of Milk, Food, and Environmental Sanitarians, US Public Health Service and The Dairy Industry Committee”
  • Production, processing and handling of milk or milk products

Size Chart  

• O-Ring Chart
  (pdf, 21KB)