![]() Pressure drop: There is a noticeable pressure drop between the upstream and downstream sides of a filter for air compressors, which is referred to as “Delta P.” It’s important to choose a filter that produces the lowest level of Delta P as possible.Ĭontact Quincy Compressor to learn more about choosing the best air filter for your needs.As a general rule, you should choose a filter that will work at the lowest possible temperature for your requirements. Temperature: Be sure the filter you select is compatible with the operating temperature of your compressor.A filter with a 99.9% rating will remove twice the amount of dust as a filter with a 99.8% rating. Contaminated oil can degrade the effectiveness of new oil. When changing your air compressor’s oil, drain the oil chamber completely. You can also check the oil level with a dipstick or oil glass. Extraction efficiency: Extraction efficiency refers to the filter’s ability to remove dust from the air. The machine’s user manual will have specific information, but a general rule is to change the oil every 100 to 200 hours or every few months.Choosing a filter with a cfm that is twice the compressor’s cfm flow rate will lower the filter’s pressure drop, which reduces energy consumption and extends element life. Size: A filter for an air compressor is rated based on inlet flow, which is typically measured in cubic feet per minute (cfm).An air/oil separator filter separates water and oil droplets from the compressed air prior to reaching the coalescing filter.įactors for Choosing the Best Air Compressor Filter for Your Needsįactors to consider when selecting air filters for air compressors include: Compressed air/oil separator filter: Oil-injected rotary screw compressors are equipped with an air/oil separator, which enables lubrication of the coalescing filter.They contain multi-wrapped layers of activated charcoal to enhance air purification qualities. Adsorber filters: An adsorber filter is normally installed downstream of the particulate and coalescing filters, and is used in compressed air applications requiring the removal of oily vapors and related odors.Coalescing filters are typically installed downstream of the particulate filters. Coalescing filters: Coalescing filters serve the purpose of removing harmful oil aerosols.High-temperature particulate filters: A high-temperature particulate filter will protect against the risk of fire caused by sudden temperature spikes that can sometimes occur downstream of a heated desiccant dryer.This protects the compressed air equipment and end products by preventing contamination and corrosion. Particulate filters: These general-purpose filters will remove liquid, oil, pipe scale, water, dirt and rust.The various types for system filtration include:
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