Lesson 1 - Introduction to Piping Systems
Nature of fluids; Keeping fluids clean and moving; Piping system maintenance, insulation, and layout; Valves, fittings, supports, and hangers
Learning Objectives:– Describe what typical piping systems consist of, and explain their importance to plant operations.
– Identify common valves and fittings, pipe hangers and supports.
– Describe the effects of temperature on piping system components, and explain the need for insulation.
– List routine maintenance considerations for piping systems.
Lesson 2 - Metal Piping
Pipe sizes, schedules, and codes; Process and utility lines; Metallurgy; Pipe manufacturing methods; Fluid behavior in pipes; Joining and maintaining pipe
Learning Objectives:– Explain how metal pipes are sized and designated according to standard codes and schedules.
– Identify the characteristics of metals that make them suitable for a variety of piping applications.
– Describe the different methods of connecting sections of metal pipe, including bell-and-spigot joints, welded, soldered, or brazed joints, screwed
– Discuss the major considerations involved in the maintenance of metal piping.
Lesson 3 - Nonmetallic Piping
Clay, concrete, reinforced concrete, asbestos-cement, plastic, and thermoplastic pipe; Joining, limitations, and maintenance, Glass piping
Learning Objectives:– Name the basic nonmetallic piping materials, and discuss the advantages and disadvantages of each.
– Identify the different forms of clay pipe and concrete pipe.
– Explain the difference between thermoplastic and thermosetting plastic pipe.
– Discuss the limitations of plastic pipe.
– Describe how to join sections of nonmetallic pipe, and how to maintain them.
Lesson 4 - Tubing
Sizing, applications, and advantages of tubing; Laminar flow; Tube cutting, joining, and bending; Tubing materials, manufacturing, and maintenance
Learning Objectives:– Compare piping and tubing, and list the major advantages of tubing.
– Describe the methods of cutting, bending, and joining sections of tubing.
– List the main types of metal tubing, and describe the kinds of industrial applications in which they are used.
– List the main types of plastic tubing, and describe the kinds of industrial applications in which they are used.
Lesson 5 - Hoses
Hose characteristics, codes, sizes, and terminology; Vacuum rating; Metallic and nonmetallic hose; Reinforcement materials and patterns; Couplings
Learning Objectives:– Explain how hoses are sized, classified, and constructed.
– Define basic hose terminology.
– Discuss the respective advantages of metallic hose, nonmetallic hose, and reinforced nonmetallic hose.
– Describe the common types of hose couplings used in industrial service.
– List the primary maintenance requirements of hoses.
Lesson 6 - Fittings
Elbows, return bends, tees, cross-fittings, reducers, caps, plugs, and couplings; Screwed, welded, and flanged connections; Expansion joints; Vibration dampeners; Schematic symbols
Learning Objectives:– Discuss the main functions of fittings.
– Identify common pipe and tube fittings.
– Contrast screwed, flanged, and welded connections, and tell why one type of joint may be preferred for a given application.
– Explain how expansion joints and vibration dampeners work.
– Demonstrate a knowledge of the symbols used to represent joints and fittings on schematic drawings of piping systems.
Lesson 7 - Common Valves
Valve function, terminology, construction, and sizes; Gate, globe, needle, ball, butterfly, plug, check, and quick-opening valves; Connections and maintenance
Learning Objectives:– Explain the various ways in which valves control fluid flow in piping systems.
– Identify gate, globe, needle, ball, butterfly, plug, and check valves, and tell what each is used for.
– Explain how and why quick-opening valves are used in industrial piping applications.
– Describe routine inspection, lubrication, and maintenance procedures for common valves.
Lesson 8 - Special Valves
Resistance to corrosion, pressure, and temperature; Diaphragm, pressure-, temperature-regulating, safety, relief, and reducing valves; Actuators
Learning Objectives:– Explain how diaphragm valves work.
– Describe the functions of the three main types of blowoff valves.
– Tell how regulating valves, relief valves, and reducing valves are used in industrial piping systems.
– Describe how different kinds of actuators open and close valves in response to pneumatic, hydraulic, or electrical signals.
Lesson 9 - Strainers, Filters, and Traps
System protection; Wire screens and strainers; Magnetic traps; Cartridge and edge filters; Steam traps; Vent valves; Inspection and maintenance
Learning Objectives:– Discuss the protective uses of strainers and filters in piping systems.
– Explain how the relationship between pressure and temperature affects steam lines, and creates the need for steam traps.
– Describe proper steam trap maintenance.
– Explain how and why air-vent and water-drain valves are used.
– Describe how a heat exchanger works in a fluid system.
Lesson 10 - Accessories
Gauges; Pressure joints; Vacuum breakers; Accumulators; Receivers; Actuators; Heat exchangers; Intensifiers; Aftercoolers
Learning Objectives:– Describe how different types of gauges are used to measure pressure and temperature in piping systems.
– Explain why rotary pressure joints are necessary in some applications.
– Describe the functions of accumulators and receivers.
– Tell how actuators and intensifiers are used in fluid-power systems.
– Discuss the principles of preventive maintenance and repair maintenance as they apply to piping systems.