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Alfa Laval SB Anti Vacuum Valve

The SB Anti Vacuum Valve is a compact and efficient hygienic vacuum relief valve designed to safeguard closed process tanks from collapse or implosion due to internal vacuum conditions. These conditions often occur during tank emptying, cool-rinsing after hot cleaning or caustic cleaning in CO₂ environments. Engineered for sanitary applications, this anti-vacuum safety valve is ideal for the brewery, dairy, food, beverage and other process industries which offer reliable protection and operational stability.

 

 

Features		Benefits
Compact design for easy installation on top of any closed tank High-quality stainless steel with Ra ≤ 0.8 μm surface finish Fully compliant with PED 97/23/EC standards		Reliable vacuum condition prevention valve for tank safety Reduces risk of tank implosion during CIP or production cycles Improves overall safety standards as a hygienic vacuum relief valve for closed tanks Low installation cost with long-term operational value

How does SB Anti Vacuum Safety Valve work?

The SB Anti Vacuum Valve includes a calibrated counterweight, preset to match the tank’s vacuum tolerance. When internal vacuum pressure drops below the safe limit, the anti-vacuum safety valve automatically opens to allow atmospheric air into the tank, preventing structural damage. This fast-response vacuum condition prevention valve ensures continuous protection and stable performance under demanding process conditions.

FAQ

What is the purpose of the anti vacuum valve?
The SB Anti Vacuum Valve is a hygienic vacuum relief valve designed to prevent tank collapse or implosion by admitting atmospheric air when vacuum conditions develop inside a closed tank. It acts as a tank protection valve, ensuring operational safety during processes like tank emptying, hot-cleaning rinse, or CO₂ caustic cleaning.

 

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