O Ring Sealing Design

1 2 what is an o ring seal.

O ring sealing design.

Dean s original philosophy included exceeding customer expectations with great customer service and high quality products. Of the o ring is stretched the cross section of the o ring will decrease. This o ring seal design section will give you step by step instructions on how to design a seal or rubber part for your application. As568b standard o ring groove design contact us for assistance or samples the three main types of standard groove designs are industrial static also called radial industrial reciprocating also called dynamic and face seals also called axial or flange.

Note that when the pressure is outward the groove outside diameter od is primary and the groove width then determines the inside diameter. O ring design guide if the i d. The design of the groove where the o ring sits plays a major role in how the o ring performs its sealing role. More information including design criteria on o ring drive belts and their application will be found in o ring applications section iii.

An o ring seal is used to prevent the. The following table gives the o ring cross sections that result from various percentages of i d. O rings rubber seals and custom sealing devices. In order to seal properly the o ring has to deform in the application by being compressed and stretched in any number of ways.

It is a loop of elastomerwith a round cross section designed to be seated in a groove and compressed during assembly between two or more parts creating a sealat the interface. Apple rubber offers custom designed made to order parts crafted to your precise specifications. An o ring also known as a packingor a toric joint is a mechanical gasketin the shape of a torus. X ring seals and high performance o ring material groove design follows the same principals as basic o ring applications although require even more attention to design adjustments for specific application environments for optimal sealing performance and life.

Design chart 4 3 explains how to design an o ring seal when the groove is cut into a fl at surface. Designing the parts of an application where o rings will be applied is broadly termed o ring groove design. Conversely when the pressure is inward the groove inside diameter is primary. With the largest inventory in the industry apple rubber has the size shape and material you need.

O ring seals are described in this section under scope of o ring use o rings are also used as light duty mechani cal drive belts. Seal design is a leading manufacturer and distributor of die cut gaskets seals o rings and molded rubber products.