Vacuum/Pressure Filter Application Guide

High Capacity Filtration Systems

Information below is supplied only as helpful tips for product programs. The information provided shouldn't be treated as finite since you will find many factors which could affect a product's efficiency which cannot be considered in this 2-dimensional presentation.

Product First Pass
10µ 15µ 20µ 25µ 30µ 35µ 40µ+
Infiltra PP65 Low Low                
Inf. RPES 46-4 Low/Medium Low                
Infiltra PP50 Medium Low/Medium                
Infiltra PP70 Medium Low/Medium                
Infiltra NF95 High Medium                
Infiltra NF140 Low/Medium Very High                
 Metalworking  Operations   10µ 15µ 20µ 25µ 30µ 35µ 40µ+

 Typical Particle
 Size Produced
Grinding - Coarse                
   Grinding - Fine                

Vacuum Filtration


First-pass efficiency relates to the basic efficiency of the medium before a filter-cake has been formed.

Dirt-holding capacity relates to how much (fine) dirt the media will remove before blinding-off and stimulating an index.

Vacuum Filter

These factors are important in deciding which material suits a given application. It will be noted that both Infiltra NF95 and Infiltra NF140 have similar micron "ratings" but they have different First-pass efficiency and Dirt-holding capacities. NF95 would lend itself better to a system controlled by timer (perhaps with large quantities of larger size dirt mixed with the grinding debris) whilst NF140 would be the product of choice where indexes are based on vacuum or pressure and high volumes of fine dirt are present. Please contact our sales advisor for more specific guidance.

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Filtration | Vacuum Filtration

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