Updated Jan 21, 2021

 This lesson describes the design and purpose of O-rings and discusses how to use them successfully.

• Describe the function of an O-ring

• Explain the sealing of an O-ring

• Describe the two main types of O-ring sealing applications

• List some considerations when using an O-ring in a vacuum sealing application

• Identify various materials used in the production of O-rings

• Discuss common failure modes and how to troubleshoot these failures

• Describe proper techniques for installing and caring for O-rings