Sanitary Stainless Steel Breather Valve
Sanitary Stainless Steel Breather Valve (Vent Filter) is a hygienic, quick-install air filtration device designed for sanitary tanks and process vessels. Constructed from high-grade 304/316L stainless steel with a replaceable filter cartridge, it prevents microbial and particulate contamination while allowing air exchange to maintain pressure balance inside the vessel. Ideal for sterile processing environments, it ensures compliance with food, pharmaceutical, and biotech hygiene standards.
Key Features
- Hygienic & Contamination Control: High-efficiency filter cartridge captures bacteria, particles, and contaminants, protecting product purity in sterile processes.
- Quick & Leak-Tight Installation: Tri-clamp connection enables fast, easy assembly/disassembly for filter replacement and cleaning.
- Premium Stainless Steel Construction: 304/316L stainless steel housing offers excellent corrosion resistance and durability for long-term use in wet and corrosive environments.
- Easy Maintenance: Tool-free cartridge replacement simplifies routine maintenance, reducing downtime in production.
- Pressure Balance Function: Allows controlled air flow to equalize tank pressure, preventing vacuum collapse or overpressure in sealed vessels.
- Compliant with Sanitary Standards: Designed to meet 3A, FDA, and GMP requirements for use in food, beverage, and pharmaceutical industries.
Technical Specifications
| Item | Details |
|---|---|
| Material | Housing: Stainless Steel 304 / 316L; Filter Cartridge: PTFE / PP (sterile grade); Gasket: Silicone / EPDM |
| Standard | Sanitary Tri-Clamp (DIN 11850 / 3A) |
| Connection Size | 1.5″ / 2″ (custom sizes available) |
| Filtration Efficiency | 0.22 μm / 0.45 μm (custom grades available) |
| Working Pressure | PN10 / PN16 |
| Working Temperature | -20°C ~ +135°C (depends on filter and gasket material) |
| Surface Finish | Polished (Ra ≤ 0.8~1.6 μm) (custom grades available) |
| Sterilization Compatibility | Autoclavable (cartridge and housing) |
| Testing | Bubble point test, integrity test (filter cartridge) |
Applications
- Food & Beverage: Fermentation tanks, storage vessels, and processing lines for dairy, beer, wine, and beverages.
- Pharmaceutical & Biotech: Sterile drug manufacturing, bioreactors, and cleanroom process tanks.
- Cosmetics & Personal Care: Sanitary storage tanks for skincare and cosmetic products.
- Chemical & Biochemical: Low-pressure sterile chemical and biochemical process vessels.
- Water Treatment: Purified water and RO system storage tanks requiring sterile air exchange.
- Brewery & Winery: Fermenters, bright beer tanks, and wine storage vessels for sterile pressure control.




