Data centres have unique requirements and strict regulations compared to typical commercial sites. Particulate and corrosive gaseous contaminants have become a serious problem for data centres and server rooms.
In some cases, corrosion of electronic components has resulted in catastrophic failures of equipment, due to environmental conditions such as low concentrations of corrosive gases.
These contaminants enter data centres in a variety of ways, including outdoor ventilation systems, adjacent interior areas, and with individuals entering and exiting the facility or critical areas.
Filter Elements
Housings and Equipment
MetaNet
MetaNet filters are washable metal air filters designed for use in heavy-duty industrial applications, and in commercial and industrial heating, ventilation, and air conditioning systems.
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MetaNet
MetaNet filters are washable metal air filters designed for use in heavy-duty industrial applications, and in commercial and industrial heating, ventilation, and air conditioning systems.
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Panel Filters
Our panel filters are ideal for protecting more expensive secondary air filters from premature dust loading and replacement. As primary filters, they also help reduce HVAC maintenance costs by preventing unnecessary dust build-up on coils, fans and duct work.
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Gas Phase Media
Our engineered gas removal chemical media is designed to remove a broad range of contaminants.
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SAAF Cassette Heavy Duty
Factory pre-filled with all SAAF Carb or Blend gas phase media for installation in appropriate cassette holding systems of air handling units to remove corrosive, odorous or other harmful gaseous contaminants
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VariCel EcoPak
The VariCel EcoPak filter can be used in place of panel filters. The upgrade in efficiency results in an improved filtration of fine particles. This filter is available in two different depths, 48 mm and 98 mm.
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Sulphur-bearing gases, such as sulphur dioxide (SO2) and hydrogen sulphide (H2S), are the most common gases causing corrosion of electronic equipment. Once introduced in a data centre or server room environment, these gaseous contaminants lead to deterioration of copper surfaces and silver solder used on computer circuit boards, leading to intermittent and hard failures. These forms of corrosion can cause failure by either impeding the flow of electricity or forming unintended circuit paths. Elimination of corrosive contaminants is therefore essential in maintaining data centre equipment reliability.
Failures due to particulate and contaminant dust are generally classified as:
In data centres with air-side economisers, supplemental real-time monitoring, such as AAF’s SAAFShield® Technology, is recommended to enable quick reaction to outdoor events that may introduce corrosive gases into data centres. Real-time monitoring is also recommended in data centres with gas-phase filtration air cleaning systems, in order to track the efficiency of the filters.
For data centres with or without air-side economisers that do not fall within the ISA-71.04 severity level G1 for copper and silver corrosion, remediation through gas-phase filtration is recommended. Blowers at air inlets, fitted with particulate and gas-phase filters, can be used to fill the data centre with clean air and pressurise it to prevent contaminated outdoor air from leaking into the data centre. The air in the data centre can be recirculated through gas-phase filters to remove contaminants that are generated within the data centre.