SB Anti Vacuum House
The Alfa Laval SB Anti Vacuum House minimizes the risk of implosion in closed process tanks that are subject to vacuum conditions, such as while filling or emptying the tank, cool rinsing after hot-cleaning, or caustic cleaning in a CO2 atmosphere. Capable of being integrated into a SCANDI BREW® tank top system, the valve is designed for hygienic processes in the brewery, dairy, food and beverage industries.
Effective vacuum protection
When high process safety and production reliability are critical, this unit help protect tanks from vacuum conditions that may cause tank damage or deformation and product leakage.
Cost-efficient, reliable and easy to install, it provides effective vacuum protection, while boosting process reliability and safety.
Versatile hygienic design
In addition to providing tank vacuum protection, the unit can be used in combination with safety valves or regulating valves to provide overpressure protection and process protection, respectively.
Excellent valve cleanability
The anti vacuum house makes it possible to achieve the exceptionally high levels of hygiene. Simply connect the unit to the main Cleaning-in-Place (CIP) system using a CIP nozzle. This enables fast and effective cleaning during the routine tank CIP cycle.
Product benefits
- Minimal risk of tank collapse due to internal vacuum conditions
- Fully cleanable with CIP system
- Easy to integrate
- Low investment due to simplified installation
How it works
Construction
Compliant with PED 97/23/EC, the Alfa Laval SB Anti Vacuum House consists of an AISI 316L stainless steel house, a vacuum tail and an EPDM seal. The valve can be used as an integral part of a SCANDI BREW® tank top system.
Operating principle
The anti vacuum house provides protection against tank collapse due to internal vacuum conditions. When used with safety valves, it helps protect the vessel and ensure discharge if pressure in the tank exceeds the preset opening value. When used with regulating valves, it helps ensure pressure relief if pressure in the tank exceeds the preset opening value.
Cleaning-in-Place (CIP)
During every tank cleaning cycle, a small volume of cleaning fluid (approximately 500 to 800 l/min.) will pass the valve body and clean the seat. To ensure thorough flushing of the valve seat, force opening of the valve is required and must be done when there is no pressure in the tank. The use of a drain collector is recommended to prevent the CIP fluid from spilling onto the tank.
Options
For tank overpressure protection and process protection, the SB Anti Vacuum House can be combined with a CO2 house, pressure relief valve and pressure exhaust valve.
Part of a broad valve range
Alfa Laval offers a comprehensive range of valves intended for hygienic applications in the dairy, food, beverage,home care, personal care, biotechnology and pharmaceuticals.
- Alfa Laval safety Valve
- Alfa Laval SB Pressure Relief Valve
- Alfa Laval SB Anti Vacuum Valve
- Alfa Laval SB Anit Vacuum House
For a broader valve range, explorer the different product categories: ball valves, butterfly valves, control/check valves, diaphragm valves, double seal valves, double seat valves, regulating valves, sample valves, shutter valves and single seat valves.
Ten top tips - Valves
Here are some tips and service videos to show how you keep your hygienic valves in tip top condition
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