Customer Support

Rubber O-Ring Supplier

Fitco has largest inventory of O-Rings in standard AS568 sizes,imperial and metric sizes, o-rings are also supplied in any Custom sizes.

O-Ring is one of most popular sealing product and versatile seal due to its simple shape ,o-rings are the most basic form of sealing between two surfaces and are successfully used in static as well as dynamic applications,Static applications may range from vacuum to over 60,000 psi for sealing flanges and O-Ring grooves.

An O-Rings, is also spelled as O'ring,"O"ring or oring. O-Rings are circular rings of various cross sectional configurations installed in a gland to close off a passageway and prevent escape or loss of a fluid or gas. An o-rings is specified by three of its features: its dimensions, material, and hardness. Material and hardness specify the elastomeric compound and Shore A (durometer) hardness of the compound that is used to manufacture the o-rings. An o-rings dimensions are described by stating its inside diameter (I.D.) and its cross-section. Designing for o-rings depends on three major and interrelated variables: the operating conditions or environment the seal will experience, the gland geometry into which the seal will be installed.

We supply o-rings in Nitrile (NBR), Viton (FKM),Silicone (VMQ),Neoprene (CR),Ethylene-propylene (EPM/EPDM),Polytetrafluoroethylene (PTFE)

How To Order

When you order, we needs to know the inside diameter (I.D.), the cross section diameter (W), and the compound (rubber material) from which it is to be made.

ID= O-Ring inside diameter

W= O-Ring cross section