Pipefitting
Mechanical Skills
Course 1 – Pipefitting Materials and Layout
Prerequisites: This lesson is designed so that no prior knowledge is required.
Description: This lesson explains the different characteristics of piping systems. The lesson also shows hot to read blueprints, how to conduct a field check, and how to measure pipe for installation. Methods of cutting pipe are also included.
Objectives:
- Identify different types of pipes and explain how they are sized
- Explain why different pipes are used in different systems
- Read single-line and double-line blueprints
- Read isometric and orthographic projection blueprints
- Make a field check of the piping system
- Find the end-to-end measurement of a pipe
- Measure makeup and take-out
- Identify and describe the various tools used to cut pipe
- Choose the correct tool for cutting pipes of different materials and sizes
- Choose the correct tool for cutting different types of pipe cuts
Course 2 – Tubing and Threading Pipe
Prerequisites: This lesson is designed for participants familiar with the proper use of hand tools and precision measuring instruments. A knowledge of pipefitting materials and layout is also required.
Description: This lesson shows how to cut and bend tubing, use tubing fittings, cut and thread pipe, and use pipe fittings. Information on the sequence of steps involved in each procedure, as well as information on using the necessary tools, is also provided.
Objectives:
- Identify the correct size tubing for the job
- Cut tubing to the proper size for a job
- Use a mandrel bender to bend tubing
- Assemble a compression fitting
- Use a flaring tool to flare tubing
- Inspect a flared fitting for damage
- Use a tubing cutter to cut tubing
- Use a wheel and roller cutter to cut pipe
- Use a reamer to ream tubing and piping
- Cut threads on a pipe
- Assemble a union fitting on threaded pipe
Course 3 – Preparing Piping for Installation
Prerequisites: This lesson is designed for participants familiar with the proper use of hand tools and precision measuring instruments. A knowledge of pipefitting materials, layout, tubing, and threaded pipe is also required.
Description: This lesson shows how to set up and use an automatic cutting torch, hot to prepare a pipeend using an end preparation tool, and how to align components for a socket weld joint and butt weld joint. Information on the sequence of the steps involved in each procedure, as well as information on using the necessary tools, is also provided.
Objectives:
- Set up an automatic cutting torch
- Adjust the flame on an automatic cutting torch
- Cut pipe using an automatic cutting torch
- Identify the components of an end preparation tool
- Install an end preparation tool on a pipe
- Use an end preparation tool to machine pipe ends
- Align a butt weld joint
- Align a socket weld joint
Course 4 – Lagging and Insulation
Prerequisites: This lesson is designed for participants familiar with the proper use of hand tools and precision measuring instruments. A familiarity with pipefitting materials, layout, tubing, threaded pipe and the preparation for piping installation is also required.
Description: This lesson shows and explains the procedures for measuring and cutting block insulation for piping elbows and flanges, for installing the insulation, and for covering the insulation. The lesson includes information on the sequence in which the steps should be performed, as well as the materials needed for each step.
Objectives:
- Calculate the size of each piece of insulation needed for a piping elbow
- Mark and cut block insulation for a piping elbow
- Install block insulation on a piping elbow
- Cement the piping elbow insulation
- Measure the amount of insulation needed for a flange
- Score flange insulation so it will fit snugly on the flange
- Install block insulation on a flange
- Cement the flange insulation
- Measure and cut the insulation cloth covering
- Install cloth covering on piping elbows and flanges