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SFH Series: High-Precision Sanitary Filter Housings

Ultra-Pure Filtration for Pharmaceutical, Medical, and Food Grade Applications

In the world of critical liquid and gas filtration, the margin for error is zero. The SFH Series Sanitary Filter Housing by K Filter is engineered specifically for sterile environments where hygiene, safety, and reliability are paramount.Serving the advanced pharmaceutical, distillery and wine bowering hubs of Europe, the growing medical and manufacturing sectors buwering in Africa, and the high-demand food industries of the Middle East, our SFH series represents the pinnacle of sanitary engineering

Engineering for Absolute Purity

The Sanitary Filter Housing series is designed to eliminate “dead zones” where bacteria can accumulate, ensuring a fully drainable and easy-to-clean system:

100% Stainless Steel Construction: Fabricated exclusively from SUS316 and SUS316L for maximum corrosion resistance and chemical compatibility.

Mirror-Polished Perfection: Both interior and exterior surfaces feature a high-grade mirror polish, ensuring a dust-free and smooth finish that prevents microbial growth.

Versatile Lengths: Available in 5″, 10″, 20″, and 30″ configurations to match your process scale.

Multi-Media Support: Fully compatible with both standard cartridge filters (Code 7/226) and Lenticular filters for depth filtration.

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Engineered for the Master Brewer & Distiller ( SFHW Series) 

In the brewing and distilling industries, the “polish” of the final product defines its quality. Our Sanitary Filter Housing are the preferred choice for:

  • Cold Stabilization: Removing yeast and bacteria in wine without affecting color or flavor.
  • Spirit Polishing: Ensuring absolute clarity in high-proof spirits by removing fatty acids (floc).
  • Microbial Stabilization: Providing a sterile barrier before bottling for craft beers and cider.
  • Trap Filtration: Protecting expensive final membranes from diatomaceous earth (DE) or carbon fines.

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💊 Pharmaceutical-Grade Integrity

For our medical and pharmaceutical clients in Europe and Africa, the SFH series offers a “Dust-Free” construction that meets the most stringent global standards:

  • Full Drainability: Designed with a slanted bottom or specialized base to ensure zero liquid holdup.
  • Sterilization Ready: Fully compatible with Steam-In-Place (SIP) and Clean-In-Place (CIP) cycles.
  • Material Excellence: Every unit is fabricated from SUS316L, providing the highest resistance to pitting and chemical corrosion.
  • ASME Tri clamp ferrules
  • ASME standard
  • Each filter housing pressure and leak tested
  • Chemical and Biotechnology
  • Pharmaceutical and Cosmetic
  • Food and Beverage industry
  • Wine and Beer
  • Semiconductor

Key Applications

  • Pharmaceuticals: Sterile filtration of APIs, vaccines, and intravenous (IV) fluids.
  • Biotechnology: Cell culture media and fermentation air filtration.
  • Food & Beverage: Fine polishing of wine, spirits, and bottled water.
  • Electronics: Ultra-pure water (UPW) systems for semiconductor manufacturing.

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Frequently Asked Questions (FAQ)

1. What makes the SFH series “Sanitary” compared to standard housings?

Unlike industrial housings, the SFH series features mirror-polished internal surfaces and a design free of sharp corners or threaded connections inside the fluid path. This “Sanitary Design” ensures that the housing can be fully sterilized (CIP/SIP) and prevents any particle accumulation.

2. Does the SFH series support Lenticular filters?

 Yes. Our sanitary range is versatile and can be configured to support both high-precision cartridges and Lenticular depth filter modules, making it ideal for the beverage and pharmaceutical industries.

3. What connection types are available for the SFH series?

To maintain high hygiene standards, we primarily offer Sanitary Tri-Clamp (Tri-Clover) connections. These allow for rapid disassembly for cleaning without the need for tools, while maintaining a leak-proof, sterile seal.

4. Can these housings be used for gas filtration?

Absolutely. The SFH series is highly effective for sterile gas and vent filtration, protecting tanks from atmospheric contamination or filtering compressed air used in medical processes.

5. Are K Filter sanitary housings compliant with European standards?

A: Yes. We provide full material traceability (EN 10204 3.1) and our manufacturing process aligns with PED (Pressure Equipment Directive) and FDA requirements for food and medical contact surfaces.

6.How can you differentiate this sanitary filter housing in EMEA?

When presenting this to your clients in the European, Middle Eastern, and African markets, the comparison is usually between “Industrial Reliability” and “Pharmaceutical Purity.” Industrial users prioritize pressure and cost, while Sanitary users (Wineries, Breweries, Med-Tech) prioritize sterilization and the prevention of bacterial growth.

7. Can I use a standard housing for my distillery?

While possible, it is not recommended. Spirits can leach flavors from standard gaskets, and threads are hard to clean. Our SFH Sanitary Series ensures your spirit remains “crystal clear” and free from metallic off-tastes.

8. Is SUS316L mandatory for sanitary housings?

In the European medical and food sectors, SUS316L is the standard because it contains Molybdenum, which prevents “pitting corrosion” from cleaning chemicals and acidic liquids (like wine or fruit juices)

9. How do I maintain a sanitary housing compared to a standard one?

Sanitary housings are designed for SIP (Steam-In-Place). You can run high-temperature steam through the housing without opening it, which kills all bacteria. Standard housings often require manual scrubbing.

Comparison: Standard vs. Sanitary Cartridge Filter Housings

FeatureStandard Cartridge HousingSanitary Filter Housing (SFH)
Primary MaterialSUS304 or Carbon Steel (Standard)100% SUS316L (Low Carbon Stainless)
Internal SurfacePickled, Passivated, or Bead-BlastedMirror Polished (Ra<0.4μm)
Inlet/OutletThreaded (NPT/BSP) or FlangedSanitary Tri-Clamp (Tri-Clover)
Internal DesignMay have “Dead Legs” (trapped liquid)Self-Draining / Zero Dead-Space
Sealing MechanismSpring & Plate (DOE)Code 7 (226) / Bayonet Lock
Cleaning MethodManual Cleaning / BackwashCIP (Clean-In-Place) & SIP (Steam)
Typical IndustriesWater Treatment, Cooling Towers, OilPharma, Wine, Spirits, Vaccines

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