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Introduction & Principles
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> Primary Filtration
> Secondary Filtration
> UV Sterilization
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When the supply air is required to be very clean, beyond what primary filtration as described above can achieve, secondary filtration comes into the picture.
Open space cooling system can be fitted up with supporting equipment to achieve higher level of air filtration. Two levels of secondary filtration are described here namely Pre-filter and Medium filter.
Secondary level filtration brings about higher efficiency in particles removal but at the same time creates higher resistance to airflow. Therefore higher kW motor is needed for the fan.
The objective is therefore to find a compromise between the level of acceptable air quality and the additional cost of the supporting equipment.
  Evaporative Cooler
  Evaporative Cooler
 
 
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Thai Waterline Systems Co., Ltd.
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Tel: (603) 5635 9355
Fax: (603) 5635 9700
Email: info@waterlinecooling.com.my