O Ring Seal Standard Sizes

Popular o ring size standards include usa s as568 o ring size chart the uk s bs 1806 o ring sizing chart and japan s jis b 2401 o ring size list.

O ring seal standard sizes.

The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings. Usa as568 o ring standard sizes are the most commonly used o ring sizes in the world. That document published by the society of automotive engineers sae lists the sizes of o rings in six series or groups in both inches and millimeters. The proper o ring size is a fundamental aspect of proper o ring performance.

O ring tolerances vary by use please refer to our o ring. The extent of extrusion depends upon the hardness of o ring the pressure and the size of the clearance gap. The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings. An o ring is one of the most common types of seals in the world.

Order o rings online from the world s largest inventory network including custom o rings typically without tooling fees. Thus the need for size standards which cover the most common sizes used. Give us a call at 832 448 5550 to speak with an industry expert or if you are local to the houston area come visit us at our will call department for more help on sizing o rings. Whether your application conforms to u s japanese jis british bs or common metric sizing for o rings these o ring size charts will help you locate the right o ring size.

The normal o ring sizes herein shown are based upon a 70 durometer nitrile standard. That document published by the society of automotive engineers sae lists the sizes of o rings in six series or groups in both inches and millimeters. Because of its popularity there is virtually an unlimited number of possible sizes of an o ring. We are also here to guide you through the sizing process.

We offer metric o rings in standard sizes and provide custom o ring options using specialty materials durometers and or colors. And metric o ring sizes quad ring seals rubber x ring seals rubber square ring seals. Non standard o rings in metric sizes. Refer to our standard o ring size chart to find usa as568 o ring dimensions.

For other o ring materials be sure to consult your apple representative. Metric o rings and custom size o rings are often used when a standard o ring size will not fit an application or existing hardware. Global o ring and seal carries a full line of o rings in all standard as568 and most metric sizes. An o ring can perform sealing by means of squeeze under low pressure conditions.

O ring gland design for dynamic seals o ring gland design for static seals standard o rings 800 828 7745 u s.