Pressure Filtration Guide
Select the Right Filter Holder for Your Volume and Application
Welcome to our collection of resource documents for pressure filtration! For more information on specific products, be sure to visit the FAQ tab on our product pages, or contact a Sterlitech representative.
Sterlitech's pressure filtration equipment is designed to maximize flow rates while minimizing holder resistance. Our pressure-type filter holders can be used for ultra-cleaning or sterilizing liquids and gases and in both batch and continuous filtration procedures.
Our full product catalog is available for download on this page.
| Volume to be Filtered | <10 mL | <50 mL | <1 Liter |
|---|---|---|---|
| Typical Applications | Enzymes Radio-labelled Samples Gases | Proteins & Enzymes Radio-labelled Samples Gases | Biological Media Electrolyte Solution Gases SDI Measurements Filterability & Scale-up |
| Recommended Models | |||
| Luer Connection | 520100 301000 | 540100a 301200 43303010 43307010 | 501200 43307010 |
| Threaded Connection | — | 304500 | 357500 357400 304700 304900 501200 43307020 |
| Sanitary Connection | — | 17307000 | 307200 |
| Holders with Reservoir | — | — | 301500 |
| Membrane Filter Specifications | |||
| Disc Diameter (mm) | 13 | 25 | 47 |
| Effective Diameter (mm) | 8 | 21 or 25 | 35, 38, 42.5, or 47 |
| Filtration Area (cm²) | 0.9 | 3.8 | 11.2, 12.5, or 13.5 |
| Membrane Pore Size (µm) | Average Liquid Flow Rate (L/min) | ||
| 0.20 µm | 0.016 | 0.07 | 0.22 |
| 0.45 µm | 0.04 | 0.17 | 0.6 |
| 1.00 µm | 0.2 | 0.84 | 2.8 |
| 5.00 µm | 0.4 | 1.5 | 5 |
| Volume to be Filtered | <5 Liters | <20 Liters | >20 Liters |
|---|---|---|---|
| Typical Applications | Biological Media Ultrapure Water Serum Gases | Biological Media Ultrapure Water Serum Gases | Pharmaceuticals Cosmetics Large-scale Biologicals Liposome Extrusion Coatings, Inks, & Dyes |
| Recommended Models | |||
| Luer Connection | — | — | — |
| Threaded Connection | 300900* 361600 | 302000* 301790 301990 | 302600* 302590 |
| Sanitary Connection | 351800 | 302200* | 302800* |
| Holders with Reservoir | 361700* | 302300 | — |
| Membrane Filter Specifications | |||
| Disc Diameter (mm) | 90 | 142 | 293 |
| Effective Diameter (mm) | 76 | 124 | 257 |
| Filtration Area (cm²) | 45.3 | 113 | 530 |
| Membrane Pore Size (µm) | Average Liquid Flow Rate (L/min) | ||
| 0.20 µm | 0.8 | 2 | 9.3 |
| 0.45 µm | 2 | 5.1 | 23.9 |
| 1.00 µm | 10 | 24.9 | 116.6 |
| 5.00 µm | 18.1 | 45.2 | 212 |
* Available in 304 or 316 Stainless Steel
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