An O-ring, or torus, is a doughnut-shaped object or mechanical gasket generally made from an elastomer. O-rings can also be made from PTFE, other plastic materials, metals, and be made hollow or solid. O-rings often have a round cross-section.
O-rings commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly used for engines, faucets, flanges, valves, and various cylinders.
FKM/Viton
Fluorocarbons is a versatile material that can be used in a wide range of applications, including aerospace, automobiles, and other mechanical devices that are exposed to elevated temperatures and many fluids. FKM (FPM, Vitonâ„¢, Fluorel) is not adversely affected by mineral oils, greases, aliphatic and aromatic hydrocarbons as well as petroleum and diesel fuels.
| MATERIAL |
FKM/Viton
|
|
TEMPERATURE RANGE
|
-13°F to +446°F (-25°C to 230°C)
|
AVOID
|
- Skydrol
- Amines
- Esters
- Ethers with low molecular weight
- Hot hydrofluoric acids.
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