O Ring Sealing Design

In order to seal properly the o ring has to deform in the application by being compressed and stretched in any number of ways.

O ring sealing design.

Note that when the pressure is outward the groove outside diameter od is primary and the groove width then determines the inside diameter. 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. 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.

The design of the groove where the o ring sits plays a major role in how the o ring performs its sealing role. 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. O rings rubber seals and custom sealing devices. The following table gives the o ring cross sections that result from various percentages of i d.

An o ring seal is used to prevent the. Radial and dynamic seals require the presence of a diametrical clearance gap for installation. More information including design criteria on o ring drive belts and their application will be found in o ring applications section iii. And we are proud to continue that tradition today.

Design chart 4 3 explains how to design an o ring seal when the groove is cut into a fl at surface. 1 2 what is an o ring seal. Conversely when the pressure is inward the groove inside diameter is primary. Dean s original philosophy included exceeding customer expectations with great customer service and high quality products.

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. 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. 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. Of the o ring is stretched the cross section of the o ring will decrease.

O ring design guide if the i d. Seal design is a leading manufacturer and distributor of die cut gaskets seals o rings and molded rubber products.