What is a compressed air system?
A system that stores and delivers air at pressures higher than atmospheric for power or control.
What are common uses of compressed air?
Powering tools, controls, instrumentation, and process equipment.
What are the main components of a compressed air system?
Compressor, receiver tank, dryer, filters, piping, and controls.
What type of compressor is most common in industrial systems?
Rotary screw compressor.
What is the function of a receiver tank?
To store air, smooth pressure fluctuations, and reduce compressor cycling.
What is typical compressed air system pressure?
Usually 90 to 125 psi in industrial systems.
What piping materials are commonly used for compressed air?
Carbon steel, stainless steel, copper, or aluminum systems.
Why is PVC prohibited for compressed air?
It can shatter explosively under pressure.
What is the purpose of an air dryer?
To remove moisture from compressed air.
What are common types of air dryers?
Refrigerated, desiccant, and membrane dryers.
Why is moisture harmful in compressed air systems?
It causes corrosion, freezing, and tool damage.
What is a drop leg in compressed air piping?
A vertical pipe that allows condensate to collect for drainage.
Why are air lines sloped?
To direct condensate toward drains.
What is an aftercooler?
A heat exchanger that cools compressed air after compression.
What is pressure drop in compressed air systems?
Loss of pressure due to friction, fittings, and restrictions.
What is a common acceptable pressure drop?
Typically no more than 10% of system pressure.
What is the purpose of filters in compressed air systems?
To remove particulates, oil, and moisture.
What is a lubricator used for?
To add oil to air for tools requiring lubrication.
What is a point-of-use air treatment unit?
A filter-regulator-lubricator (FRL) assembly.
What safety concern exists with compressed air?
High pressure can cause injury or equipment failure.
What device protects compressed air systems from overpressure?
Pressure relief valves.
What is ring-main piping?
A looped piping layout that maintains even pressure.
What is dead-end piping?
A piping layout that can trap condensate and cause pressure loss.
What maintenance issue is common in compressed air systems?
Leaks causing energy loss.
-
Section One Pipe Data30
-
Section Two Tubing Data33
-
Section Three Valves41
-
Section Four Fittings43
-
Section Five Gasketed Joints39
-
Section Six Pipe Offsets40
-
Section Seven Trigonometry42
-
Section Eight Pipe Layout37
-
Section Nine Piping Prints39
-
Section Ten Pipe Welding42
-
Section Eleven Rigging40
-
Section Twelve Appendices33
-
Hangers And Supports16
-
Steam Traps29
-
Condensate Systems26
-
Steam System Fundamentals29
-
Geothermal Systems25
-
Solar Water Systems25
-
Governing Codes26
-
Hydronic Systems25
-
Troubleshooting Systems45
-
Compressed Air Systems25
