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Thursday, August 14, 2008

Air Handling Systems Heating Ventilation Air Conditioning HVAC

Air Handling Systems, Heating,Ventilation and Air Conditioning (HVAC) Part 2: Components


In the following topics, we will study the components of air handling systems in order to:

become familiar with the components

know their functions

become aware of possible problems
Main subsystems

Overview components

Components (1)
Weather louvre :-To prevent insects, leaves, dirt and rain from entering
Silencer:-To reduce noise caused by air circulation
Flow rate controller :-Automated adjustment of volume of air (night and day, pressure control)
Control damper :-Fixed adjustment of volume of air
Components (2)
Heating unit:-To heat the air to the proper temperature
Cooling unit /dehumidifier:-To cool the air to the required temperature or to remove moisture from the air
Humidifier:-To bring the air to the proper humidity, if too low
Filters :-To eliminate particles of pre-determined dimensions and/or micro-organisms
Ducts:-To transport the air
General Problems which arises with components
Flow rate controller:-Blocked
Control damper:-Poorly adjusted, bad pressure differential system
Humidifier:-Bad water/steam quality/poor drainage
Cooling battery:-No elimination of condensed water/poor drainage
Filters:-Incorrect retention rate/damaged/badly installed
Ducts :-Inappropriate material/internal insulator leaking

Comparing International Clean room Classifications





You can send this blog by emailing this website to your friends and collegues who are working in a pharmaceutical manufacturing firm
Following are some of articles which;will be useful for you in further understanding of aspects of sterile dosage form manufacturing Also see Pharmaceutical Process Validation

Also see what is a HEPA filter

Pharmaceutical Validation

Clean Room Classification

Pharmaceutical Industry

Pharmaceutical Manufacturing

Clinical Trials

FDA guidelines

What is CFR 21 PART 11

What is HEPA filter

To Find Pharmaceutical jobs and make a Pharmaceutical careers see here pharmaceutical companies

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