O Ring Seal Standard Sizes

Because of its popularity there is virtually an unlimited number of possible sizes of an o ring.

O ring seal standard sizes. 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. The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings. 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. We are also here to guide you through the sizing process.

And metric o ring sizes quad ring seals rubber x ring seals rubber square ring seals. O rings are used in a variety of applications in different industries around the world. An o ring is one of the most common types of seals in the world. The standard sizes used by o ring manufacturers in the united states are defined by aerospace standard as568b aerospace size standard for o rings.

The extent of extrusion depends upon the hardness of o ring the pressure and the size of the clearance gap. We offer metric o rings in standard sizes and provide custom o ring options using specialty materials durometers and or colors. Non standard o rings in metric sizes. For other o ring materials be sure to consult your apple representative.

Global o ring and seal carries a full line of o rings in all standard as568 and most metric sizes. Thus the need for size standards which cover the most common sizes used. O ring gland design for dynamic seals o ring gland design for static seals standard o rings 800 828 7745 u s. Refer to our standard o ring size chart to find usa as568 o ring dimensions.

O ring tolerances vary by use please refer to our o ring. An o ring is contained in a gland and forced to flow into the surface imperfections of the glands and any clearance gaps available to it. Usa as568 o ring standard sizes are the most commonly used o ring sizes in the world. An o ring can perform sealing by means of squeeze under low pressure conditions.

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 normal o ring sizes herein shown are based upon a 70 durometer nitrile standard. 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. Order o rings online from the world s largest inventory network including custom o rings typically without tooling fees.

Ace seal has extensive o ring manufacturing capabilities including a comprehensive selection of metric and imperial sizesand elastomers to meet any sealing requirements.