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15 Berkshire Blvd.,
Unit D
Bethel, CT 06801





© Copyright 2011
Quality Seals
All rights Reserved




  • Rubber - All Types
  • AS568, Metric & Custom Sizes
  • Mil Spec, NAS, AMS, ASTM Compounds
  • PTFE, PTFE Encapsulated
  • F.D.A. & N.S.F. Approved
  • UL & Fuel Resistant
  • Chemical Resistant PTFE
  • Perfluoroelastomer
  • Lubricated
  • Spliced and Vulcanized
  • Vulcanizing Equipment
  • O-Ring Kits

O-Rings are probably the most universally used sealing device in the world today. Because of this versatility, they are offered in an almost unlimited variety of o-ring sizes (both AS568A standard and metric) and compounds.  QUALITY SEALS  stocks many of the “standard” compounds such as Buna-N (Nitrile), Ethylene Propylene (EP or EPDM or EPT), Silicone, Fluorosilicone, FKM (Fluorocarbon Rubber or Viton®), PTFE (Teflon®), Chloroprene (Neoprene®).

We can also help with many of the special compounds that have been recently developed for industries such as Automotive, Semi-Conductor, and Medical just to name a few. We also have o-rings approved to Military Specifications, NAS, AMS, ASTM and more. FDA or NSF? UL and Flex Fuel resistant? Bio Diesel or E85? No problem! If we don’t have it, we can get it quickly because our reach is global as well as domestic.

We can splice, cold bond, and vulcanize so that our size capability is not limited. Do you have special chemical, temperature, or pressure requirements? Please contact us using the numbers or e-mail address to the left. We will be glad to suggest a solution to your problem. When an o-ring may not be suitable, we will be glad to suggest an alternate sealing solution that will be functional as well as cost effective for your project. 

AS568A O-Ring Size Charts  |  Metric O-Ring Size Charts

O-ring Groove Design and Installation (PDF)

Common Elastomeric Compounds and Their Basic Properties (PDF)

Fluid Compatibility Chart (PDF)

O-Ring Shelf Life Chart

Seal Storage Notes

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Viton®, Teflon®, and Neoprene® are registered trademarks of DuPont






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