Filtration, prefiltration, sanitary housings and single-use: technical articles from Exova (FluidsControl SA).https://exovatech.com/enhttps://exovatech.com/en/blog/when-to-change-a-filter-cartridge-differential-pressure/https://exovatech.com/en/blog/when-to-change-a-filter-cartridge-differential-pressure/When to change a filter cartridge based on differential pressure: what ΔP measures, clean and change-out ΔP, warning signs, and how to log it batch by batch.Sun, 01 Nov 2026 00:00:00 GMTPrefiltrationdifferential pressurecartridge change-outΔPfilter service lifefilter clogginghttps://exovatech.com/en/blog/304-vs-316l-stainless-steel/https://exovatech.com/en/blog/304-vs-316l-stainless-steel/AISI 304 vs. 316L stainless steel in sanitary equipment: molybdenum, carbon and welding, chlorides, passivation, Ra finish, and when to use each one.Mon, 12 Oct 2026 00:00:00 GMTSanitary stainless steel316L stainless steel304 stainless steelAISI 316LpassivationRa roughnesshttps://exovatech.com/en/blog/bacterial-retention-test/https://exovatech.com/en/blog/bacterial-retention-test/How sterilizing filtration is validated with your product in a bacterial retention test: worst case, bacterial viability, controls, and filter integrity.Mon, 12 Oct 2026 00:00:00 GMTQuality and validationbacterial retention testBRTfilter validationASTM F838Brevundimonas diminutaworst casehttps://exovatech.com/en/blog/coalescing-filter-separator-natural-gas/https://exovatech.com/en/blog/coalescing-filter-separator-natural-gas/How a coalescing filter separator for natural gas works: the two stages, coalescence, change-out by differential pressure, and replacement in installed units.Mon, 12 Oct 2026 00:00:00 GMTOil & Gas and powerfilter separatorcoalescernatural gasdifferential pressurereplacement elementshttps://exovatech.com/en/blog/filter-integrity-test-bubble-point-diffusion/https://exovatech.com/en/blog/filter-integrity-test-bubble-point-diffusion/How a filter integrity test works on a cartridge: bubble point, diffusive flow, and pressure hold, how to wet the membrane, and when to run the test.Mon, 12 Oct 2026 00:00:00 GMTQuality and validationfilter integrity testbubble pointdiffusive flowpressure holdmembrane cartridgeshttps://exovatech.com/en/blog/how-to-choose-a-sanitary-filter-housing/https://exovatech.com/en/blog/how-to-choose-a-sanitary-filter-housing/How to choose a sanitary filter housing: service, cartridges, 304 or 316L steel, Ra finish, connections, pressure, sterilization, and documentation.Mon, 12 Oct 2026 00:00:00 GMTSanitary stainless steelfilter housingsanitary housing316L stainless steelRa finishSaniFlowhttps://exovatech.com/en/blog/microbial-stabilization-of-beverages/https://exovatech.com/en/blog/microbial-stabilization-of-beverages/Microbial stabilization of beverages by filtration before filling: which pore size retains yeast and bacteria, and how to set up the prefilters and final membrane.Mon, 12 Oct 2026 00:00:00 GMTWine and beveragesmicrobial stabilizationbeverage filtrationwine filtrationyeastfinal membranehttps://exovatech.com/en/blog/pes-or-nylon-membrane/https://exovatech.com/en/blog/pes-or-nylon-membrane/PES or nylon 6,6 membrane for your final filter cartridge: structure, pore sizes, filtration area per 10″, chemical compatibility, and applications of each.Mon, 12 Oct 2026 00:00:00 GMTSterilizing filtrationPES membranenylon 6,6polyethersulfonefinal filtrationmembrane cartridgeshttps://exovatech.com/en/blog/prefiltration-protect-the-final-filter/https://exovatech.com/en/blog/prefiltration-protect-the-final-filter/Prefiltration that protects the final filter: depth, pleated and hybrid media, nominal vs. absolute ratings, and how to stage the steps to filter more liters.Mon, 12 Oct 2026 00:00:00 GMTPrefiltrationprefiltrationfinal filterabsolute ratingglass microfiberpleated polypropylenehttps://exovatech.com/en/blog/single-use-bags-or-stainless-steel/https://exovatech.com/en/blog/single-use-bags-or-stainless-steel/Single-use bags or stainless steel vessels: cleaning and validation, cross-contamination, scale, costs and waste, and what to specify in a single-use bag.Mon, 12 Oct 2026 00:00:00 GMTSingle-usesingle-usesingle-use bags2D bags3D bagsstainless steelhttps://exovatech.com/en/blog/sterilizing-filtration-0-2-micron/https://exovatech.com/en/blog/sterilizing-filtration-0-2-micron/Sterilizing filtration: what defines a sterilizing-grade filter, how ASTM F838 bacterial retention is validated, and when to use 0.1 µm instead of 0.2 µm in pharma.Mon, 12 Oct 2026 00:00:00 GMTSterilizing filtrationsterilizing filtrationsterilizing-grade filter0.2 µmASTM F838Brevundimonas diminutaUSP <88>https://exovatech.com/en/blog/wine-filtration-step-by-step/https://exovatech.com/en/blog/wine-filtration-step-by-step/Wine filtration in stages: coarse filtration, clarification, final filter protection, and the membrane before the filler, with housings, integrity, and sanitization.Mon, 12 Oct 2026 00:00:00 GMTWine and beverageswine filtrationwineriesmicrobial stabilizationprefiltrationintegrity test