Industry Standard Colored O-Ring Sizes

02 Nov.,2022


colored rubber o rings

Color-Select O-Rings, our industry standard color Identification O-Rings.

Buna-N (Nitrile) 70D, easy O-Ring size identification!!!!!  Buna-N O-Rings are the most common and the simplest types of seal with an excellent sealing property and durability. Recommended for use with crude oil, gasoline, propane, petroleum oils and water. It is used in engines, gearboxes and also can be found in anything from shower heads, garden hoses, pumps up to an aircraft. Nitrile O-Rings are used as a face to face gasket style seal or as a shaft seal, and allow both rotary and linear movement

Operating temperature: -40° to +250F°

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