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What is the role of sanitary control valves in the food and beverage industry?

Sanitary Control Valves

Sanitary control valves are specialized valves employed in the food and beverage sector to regulate the flow of fluids like water, beer, dairy products, and juices. As the industry emphasizes safe and hygienic production, the use of these valves becomes crucial. They are specifically crafted to prevent contamination by minimizing dead space, reducing crevices, and mitigating the risk of bacterial growth. This post delves into the significance of sanitary control valves and their advantages to industries dependent on maintaining cleanliness and safety in their processes.

Understanding Sanitary Control Valves

Sanitary control valves are valves that are specifically developed for use in the food and beverage industries to control the flow of fluids and liquids such as water, beer, dairy products, juices, and so on. They are key components of process systems that must adhere to strict hygiene and cleanliness standards.

A sanitary control valve’s principal role is to manage the flow of a liquid or gas via a pipeline while keeping process conditions within the required parameters. They ensure that the media (liquid, gas, or semi-solid) moving through the system may be started, halted, and regulated safely and without contaminating the system.


The valves are usually made of high-grade stainless steel. This ensures they are resistant to the corrosive effects of food and beverage products and cleaning and sterilizing agents. Stainless steel also facilitates easy cleaning, thereby ensuring high hygiene standards.


They are designed in such a way as to prevent any accumulation of the product, dirt, or bacteria. This is often achieved through a smooth, streamlined design with no unnecessary corners or crevices where particles could get trapped.


Sanitary control valves are meant to be cleaned manually or by a method known as Clean-in-Place (CIP). Without disassembly, CIP cleans the interior surfaces of pipes, tanks, process equipment, filters, and associated fittings.


These valves control fluid flow through the equipment by opening, closing, or partially obstructing various passageways. This is done either manually or by automated machinery.

Standards Compliance

Sanitary valves are designed to meet specific sanitary requirements, such as those set by the Food and Drug Administration (FDA) in the United States or the European Hygienic Engineering & Design Group (EHEDG) in Europe. These standards ensure that the equipment used in the manufacturing of food and beverages is safe and sanitary.


The valves have excellent sealing properties to prevent any leakage, which could lead to contamination.

Temperature Resistance

Since food and beverage processing often involves heat, these valves are built to withstand high temperatures without deforming or losing functionality.

Types of Sanitary Control Valves

Stainless steel manual flow shut-off valve

There are various types of sanitary control valves, including as ball, butterfly, diaphragm, and check valves. The type used is determined by the specific application and its needs.

Sanitary Ball Valves

These valves employ a ball with a hole in it that can be rotated to either block or allow flow. They are frequently used in on-off applications and can withstand high pressures and temperatures. They have effective shut-off capabilities.

Sanitary Butterfly Valves

These are utilized for both flow regulating and on/off applications. A disc is placed in the center of the pipe, with a rod flowing through it and connecting to an actuator located outside the valve. Turning the actuator causes the disc to revolve parallel or perpendicular to the flow. They are frequently chosen due to their small size and affordable cost.

Sanitary Diaphragm Valves

In these valves, the fluid flow is controlled by moving a flexible diaphragm up and down. The flow is blocked when the actuator lowers the diaphragm. Diaphragm valves provide a high level of purity because the diaphragm can completely close off the flow, preventing pollutants from passing through.

Sanitary Check Valves

These self-acting valves allow media to flow in only one direction, preventing backflow. They are essential in systems where substances mustn’t flow back into the system.

The Primary Function of Sanitary Valves

Sanitary control valves come in different shapes and sizes, and each industry has unique requirements that must be met. However, the primary function of a sanitary valve is to regulate fluid flow while preventing contaminants from entering the system.

Depending on the application, sanitary valves can come as a gate, globe, diaphragm, butterfly, and ball valve. These valves are designed to be cleaned to avoid bacterial growth within the system.

Hygiene-oriented industries, such as food and beverage, pharmaceutical, medical, dairy, and chemical equipment, utilize sanitary control valves to maintain their products’ quality, purity, and cleanliness.

Such sanitary ball valves are utilized in the food industry for food processing, sugar manufacture, dairy, beer brewing, and wine production. These valves contribute to the industry’s reputation by ensuring that food products fulfill strict sanitary standards.

Benefits of Using Sanitary Valves

  • Reduction of Maintenance Costs:Sanitary control valves are designed with a clean and hygienic structure, making them easy to clean and sanitize. With materials that can withstand various sanitization methods such as autoclaving and chemical cleaning, these valves contribute to a reduction in maintenance costs.
  • Regulating Flow Rates:Sanitary valves play a crucial role in regulating flow rates, ensuring precise control of fluid flow under varying pressure and temperature conditions. This capability is particularly important in industries like food processing, where consistent quality, flavor, and uniformity in the finished product are essential.
  • Risk Reduction of Contamination:The design of sanitary valves is focused on minimizing dead space, reducing crevices, and eliminating opportunities for bacterial growth within the system. Their closures are easily disassembled, cleaned, and sanitized, reducing the risk of contamination during the manufacturing process.
  • Excellent Flexibility:Sanitary valves offer remarkable flexibility, as they can be customized to meet specific industry needs. They can be constructed from various materials such as stainless steel and exotic alloys, and designed to handle different gases or fluids across a range of temperatures, pressures, and flow rates.
  • Compliance with Hygiene Standards:Sanitary valves are built to comply with specific sanitary standards set by regulatory bodies like the Food and Drug Administration (FDA) in the United States or the European Hygienic Engineering & Design Group in Europe. Adherence to these standards ensures that the equipment used in production processes meets high levels of safety and hygiene.
Stainless steel manual flow control valve

Final Thoughts

In essence, sanitary control valves are not just components of production systems; they are integral to the reputation and quality assurance of industries prioritizing hygiene and cleanliness. Their use ensures the consistent production of safe and high-quality products, making them essential in industries where hygiene is a critical concern.

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