Sanitary Tank Vent Breather Valve
Sanitary Tank Breather Valve is a hygienic, pressure-balancing device designed for food, beverage, pharmaceutical and fine chemical processing tanks and vessels. It is engineered to automatically equalize pressure inside sealed tanks by venting excess positive pressure out and drawing in air to eliminate negative pressure, thus preventing tank deformation, collapse or rupture caused by pressure imbalances during filling, emptying or temperature changes.
Constructed from high-grade stainless steel, this valve features a compact, quick-clamp design for fast, tool-free installation on tank vents. With a focus on reliable pressure regulation and hygienic compatibility, it is an essential safety component for maintaining stable operating conditions in sealed process tanks.
Key Features
- Pure Pressure Balancing Function: Designed specifically for pressure equalization, the valve automatically opens to release positive pressure or draw in air when negative pressure forms, keeping tank pressure within a safe operating range.
- Sanitary & Durable Construction: Made of premium 304 or 316L stainless steel, with a polished surface finish to meet hygiene requirements and resist corrosion from common process media and cleaning agents.
- Compact Quick-Clamp Design: Sanitary tri-clamp connection enables fast, tool-free installation, removal and reconnection, ideal for frequent cleaning or replacement in hygienic production environments.
- Simple & Reliable Mechanism: Gravity/spring-operated valve core ensures stable, repeatable performance with minimal moving parts, reducing the risk of failure and simplifying maintenance.
- Basic Contamination Protection: The valve’s design blocks large debris from entering the tank during air intake, providing basic protection against foreign objects while allowing free air flow.
- Low Maintenance: The detachable top cover allows easy access to internal components for inspection and cleaning, supporting routine hygiene protocols without special tools.
- Wide Compatibility: Suitable for use with most common hygienic tank sizes and connection standards, making it easy to integrate into new or existing process systems.
Technical Specifications
| Item | Specification |
|---|---|
| Material | Stainless Steel 304 / 316L (optional) |
| Connection Type | Sanitary Quick-clamp (Tri-clamp) |
| Standard Pressure Setting | Positive pressure: +0.5 ~ +5 kPa Negative pressure: -0.5 ~ -5 kPa (customizable) |
| Surface Finish | Mirror polished (Ra ≤ 0.8 μm) |
| Working Temperature | -20℃ ~ 120℃ (standard model) |
| Working Pressure | ≤ 1.0 MPa (customizable) |
| Available Sizes | 1.5″ / 2″ / 3″ / 4″ (customizable) |
| Certifications | ISO quality certification, factory test report provided |
| Seal Material | EPDM / Silicone (food-grade, optional) |
Applications
- Food & Beverage Industry: Installed on fermentation tanks, storage tanks, mixing tanks and batching tanks in breweries, wineries, dairy plants and beverage factories to prevent tank deformation during filling/emptying cycles.
- Pharmaceutical & Cosmetic Industry: Used on non-sterile storage tanks and process vessels to maintain pressure balance and avoid tank damage caused by temperature changes or material transfer.
- Fine Chemical Industry: Applied in sealed tanks for non-toxic, non-sterile liquid storage, preventing pressure build-up or vacuum formation.
- Water Treatment & Brewing Systems: Installed on process tanks, holding tanks and filtration units to ensure stable operation without the need for sterile air intake.
- General Hygienic Process Tanks: Any sealed tank or vessel in hygienic production lines where simple, reliable pressure equalization is required.
