Pipe Connections and Symbols

Pipe Connections and Symbols

Updated Jan 21, 2021

 This lesson describes the methods most commonly used to connect lengths of piping and identifies advantages and disadvantages of each. It highlights symbols commonly used to indicate types of pipes, pipe-fittings, and welding connections.

• Discuss the use of threaded piping connections

• List and describe different types of threaded fittings

• Describe flanged piping connections

• Explain the use of gaskets in piping connections

• Describe welded piping connections

• Identify welding symbols used for pipe-fitting

• Identify line symbols used in pipe-fitting

• Describe how pipe-fitting symbols can represent the:

– Size of a pipe

– Method of branching and coupling

– Purpose for which the pipe will be used