Valves | Safety valves
Alfa Laval safety valves are developed to protect tanks and pipe installations from overpressure, thereby ensuring the safety of personnel, product, and process equipment. The valves open automatically at a predefined pressure and close again when the pressure is normalized – all without the need for manual intervention.
They are ideal for use in the food, dairy, brewery, beverage, and pharmaceutical industries, where high operational reliability and hygiene are required.
As an official Alfa Laval distributor, Hans Buch offers a wide range of safety valves – including both standard and aseptic versions – and we help you choose the solution that best fits your facility and safety requirements.

Alfa Laval Safety Valve
The Alfa Laval Safety Valve is a compact and hygienic safety valve that protects tanks and process lines from dangerous overpressure. The valve opens automatically at preset pressure and ensures that the pressure in the system remains within safe limits – without the need for manual intervention.
Suitable for the food, dairy, beverage, and pharma industries, where both process and personnel safety are in focus. The valve is easy to clean and fully CIP compatible.

Alfa Laval SB Anti-Vacuum House
The Alfa Laval SB Anti-Vacuum House is designed to prevent harmful underpressure in pressurized tanks, which can occur during cooling, emptying, or CIP. The valve ensures that air is automatically supplied when the pressure falls below a safe level – thus protecting the integrity of the tank.
Ideal for the brewery, dairy, and beverage industries, where hygiene, operational reliability, and equipment safety are crucial.

Alfa Laval SB Anti-Vacuum Valve
The Alfa Laval SB Anti-Vacuum Valve is a compact valve that prevents underpressure in tanks, which can occur during CIP, cold filling, or rapid emptying. The valve allows automatic air intake when the pressure falls below atmospheric level, thereby protecting both the product and tank structure.
It is ideal for use in brewery, dairy, beverage, and other hygienic process plants, where operational reliability and equipment integrity are essential.

Alfa Laval SB Pressure Relief Valve
The Alfa Laval SB Pressure Relief Valve protects pressurized tanks from dangerous overpressure by automatically opening when the set maximum pressure is exceeded. It ensures reliable relief and prevents damage to tanks and process equipment.
The valve is suitable for the brewery, dairy, and beverage industries, where hygiene and process protection are crucial. The design supports CIP and easy maintenance.
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