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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