Sizing guide for PBH Bag Filter Housing and BP & BN Series Filter Bags
This sizing guide provides information for the initial sizing and selection of PBH Bag Filter Housing and BP & BN Series filter Bags
Where to use?
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Removal of coarse and fine particles
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Prefiltration
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Protection of fine filters (e.g. fine filter cartridges)
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Straining applications
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CNC machine coolant
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Food & beverage
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Which filter bag material to use?
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Polypropylene felt for general reduction of particulates. Available micron ratings 1, 5, 10, 25, 50, 100, 200
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Nylon mesh for removing particulates of a specific size or straining applications. Available micron ratings 50, 100, 200, 400, 600
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Typical water flow rates:
Filter size
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Flow rate
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PBH Size 10 Housing
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50 lpm (3 m3/h)
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PBH Size 20 Housing
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100 lpm (6 m3/h)
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* With 25 micron PP felt bags
* * Please note that flow rates may vary depending on application – i.e. dirt load, viscosity, micron rating etc.
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What is the micron rating of various particles?
A micron is a unit of measure and equals one thousandth of a millimetre.
1mm = 1000 microns (micrometer)
1 inch = 24,500 microns (imcrometer)
Paint pigments
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0.1 – 5 micron
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Corn starch
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0.1 – 10 micron
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Face powder
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0.1 – 30 micron
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Bacteria (Pharmaceutical applications)
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0.2 micron
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Bacteria (Food applications, beer)
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0.45 or 0.65 micron
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Fine clay
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0.5 – 1 micron
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Copier toner
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0.5 – 15 micron
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Coal dust
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1 – 100 micron
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Yeast (food applications, beer)
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3 – 40 micron (average)
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Silt, fine
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8 – 13 micron
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Silt, coarse
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37 micron
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Coffee
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5 – 400 micron
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Ginger
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25 – 40 micron
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Sand, very fine
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60 micron
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Sand, fine
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125 – 250 micron
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Beach sand
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500 – 700 micron
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Coffee, espresso
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200 – 500 micron
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Notice:
The information in this guide is accurate to the best of our knowledge and provided for preliminary selection. It is your responsibility to determine if additional testing or information is required and if this product is fit for a particular purpose. Siga Filtration will not be responsible for any damages resulting from the use of this information.
