Mechanical Maintenance Applications > Valve Maintenance and Piping System Protection

Valve Maintenance and Piping System Protection

Course Number: 847

The Valve Maintenance and Piping System Protection textbook covers the maintenance and operation of gate, globe, ball, plug, check, and special-purpose valves. It details actuators and various accessories, and explains valve selection based on application. Finally, it describes methods of protecting piping systems.

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Recommended Contact Hours – 8

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Table of Contents

Chapter 1: Valve Maintenance

Topics: Threaded, welded, brazed, and flanged connections; Installing and repairing gate, globe, angle, ball, plug, and check valves

Learning Objectives:

  • Discuss the factors that affect the selection of valve materials.
  • Describe the various methods of connecting valves to piping.
  • Identify the various types of common valves and the operating characteristics of each.
  • Explain general maintenance and repair procedures for different types of valves.

Chapter 2: Special Valves

Topics: Installation and repair of butterfly, diaphragm, pop safety, relief, pressure-reducing, pressure-regulating, and quick-opening valves

Learning Objectives:

  • Identify several types of special valves and the operating characteristics of each.
  • Discuss the installation, maintenance, and repair of special valves.

Chapter 3: Actuators and Accessories

Topics: Actuator installation, maintenance, and repair; Bourdon tube, bimetallic, and bellows gauges; Flowmeters; Rotating unions; Accumulators

Learning Objectives:

  • Explain the function and operation of a valve actuator
  • Identify various types of valve actuators and describe the installation. maintenance, and repair of each.
  • Discuss the operating characteristics of various accessories, including gauges, meters, accumulators, and air receivers.

Chapter 4: Valve Selection

Topics: Valve applications, materials, and identification; Soldered, threaded, and flanged valve connections; Tool selection; Valve positioning

Learning Objectives:

  • Name the five major uses of valves in piping systems and identify the types of valves best suited for each.
  • Identify and explain the factors that determine the selection of a valve for a given application.
  • Identify various valve markings and symbols.
  • Describe several types of valve-to-pipe connections.
  • Discuss the selection and proper use of tools in valve installations.
  • Explain the importance of the correct installation of valves in well-chosen locations.

Chapter 5: Piping System Protection

Topics: Installing and maintaining insulation; Steam tracers; Protection from freezing and corrosives; Active and passive protection; Inspection; Supports

Learning Objectives:

  • Describe the methods by which heat transfer occurs.
  • Discuss the methods of tracing process lines.
  • Explain the various methods of protecting piping systems from heat, cold, and corrosion.
  • Discuss the installation, inspection, and maintenance of insulation and other forms of piping system protection.

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Select Chapter(s):

  •    Chapter 1: Valve Maintenance
  •    Chapter 2: Special Valves
  •    Chapter 3: Actuators and Accessories
  •    Chapter 4: Valve Selection
  •    Chapter 5: Piping System Protection

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