Lecture 13 - Sealing

Date: 10/4/16

Summary

In almost every apparatus we are trying to keep different media separate. This could be sealing oil inside a hydraulic piston, sealing air inside a pressure vessel, or sealing in a vacuum chamber. In this class we will cover the most common sealing techniques used in laboratory equipment and how to safely implement them.

Class Plan

  • Discuss the purposes of seals
  • Introduce the IP rating system
  • Cover gaskets, O-rings, D-rings, packed, and Bridgeman seals
  • Discuss backup rings
  • Discuss seal glands
  • Show how varies threads seal
  • Introduce vacuum fittings and seals
  • Introduce basic epoxies

Activity

  • Swagelok demo in the laboratory

Assignment

Make a parts list of what we need to buy for your project. Due: 10/6/16