Here are the advantages and disadvantages for the different plans for a general clean room working area.
●Air supply and air return all from the ceiling
Suitable for the class standard: ISO7, ISO8
Advantages: Simple and low cost
Disadvantages: Poor airflow resistance is difficult to effectively control dust
●Air supply from the ceiling & air return from the sides
Suitable for the class standard: ISO6, ISO7, ISO8
Advantages: The structure is relatively simple, the equipment occupies a small space, easy to expand.
Disadvantages: It is easy to produce eddy currents.
●Mixed half- layer air supply and return
Suitable for the class standard: ISO5, ISO6
Advantages: Good effect and flexible arrangement can meet the local and more advanced special clean room area.
Disadvantages: High in cost
●Laminar-flow style
Suitable for the class standard: ISO4, ISO5
Advantages: Good effect, easy to manage
Disadvantages: High equipment cost, high operation and maintenance cost
