Basic Documentation

Room Pressurization Control Application Guide
Door Effects............................................................................................................23
VAV Fume Hood Effects......................................................................................... 23
Cascaded Pressure Control......................................................................................24
Dual Pressurization Laboratories..............................................................................25
Health Care Facilities................................................................................................... 27
Infectious Isolation Rooms........................................................................................27
Protective Isolation Rooms ....................................................................................... 27
Static Pressure Control by Airflow Tracking.............................................................. 27
Infectious Isolation Room Layout.............................................................................. 28
Ventilation and Control System Application.............................................................. 28
Room Pressure Monitors ..........................................................................................29
Protective Isolation Room Layout ............................................................................. 29
Ventilation and Control System Application.............................................................. 29
Isolation Room Changeover...................................................................................... 30
Clean Rooms ............................................................................................................... 30
Particulate Contamination......................................................................................... 30
Clean Room Standards............................................................................................. 31
Clean Room Pressurization Applications.................................................................. 33
Airlocks...................................................................................................................... 34
Airlock Construction ..................................................................................................38
Clean Room Static Pressure Control........................................................................ 40
Control System Components .................................................................................... 41
Room Pressurization Control ....................................................................................42
Chapter 5—Air Pressurization Fundamentals .............................................................43
Forces Exerted by Air .................................................................................................. 43
Total Pressure........................................................................................................... 43
Static Pressure.......................................................................................................... 44
Velocity Pressure ......................................................................................................45
Air Velocity................................................................................................................... 47
Units of Pressure Measurement..................................................................................47
Differential Pressure ....................................................................................................48
Summary of Pressure Components ............................................................................48
Glossary............................................................................................................ Glossary-1
Index........................................................................................................................ Index-1
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