O Ring Seal Types

O rings are a form of gasket or seal that features a round cross section.

O ring seal types.

This type of seal is typically employed in the face flange type applications depicted in illustration 4 1. As an aid in assessing the relative merits of an o ring the. They are used to prevent gas and fluid leaks in static and dynamic applications and are manufactured from various types of elastomers. Internal or external pressure must be taken into consideration when it is used as a face seal.

Buna n also know as nitrile o rings are one of the most common general purpose type of seal available on the market today. O rings are mechanical gaskets with a round cross section. This seal acts similar to the gasket which is squeezed on both ends top and bottom of an o ring cross section. These seals are used in flange or face type applications.

Some of the common types of o ring materials include ptfe nitrile buna neoprene epdm rubber and fluorocarbon viton. O ring and other sealing profiles for sealings there are variations in cross section design other than circular. Static axial seals a static axial seal acts similar to a gasket in that it is squeezed on both the top and bottom of the o ring s cross section. When compared with an o ring these other seal types may show one or more design disadvantages which might be overcome by use of an o ring.

A number of common seal types t seals u cups v packing and other devices have been and are still used for both dynamic and static seals. Nitrile o rings are a popular type of rubber seal gasket that s used in a wide range of applications and environments they re broadly seen as a general purpose o ring type with reasonably resistant sealing properties against water gasoline petroleum oils crude oil propane and some hydraulic fluids. Not only can it hold up against abrasive activity it is also tear resistant. In this post we ll talk about the common types of o ring applications and their impact on o ring sizing and hardware design.

When designing grooves for static axial seals the first consideration is whether the pressure is coming from inward or outward. With a temperature scope between negative 54 and 149 c nitrile is suitable for use with hydraulic fluids petroleum and water. The shape can have different profiles an x shaped profile commonly called the x ring q ring or by the trademarked name quad ring.