Single seat valves

Alfa Laval single seat valves (SSVs) are robust and reliable manual and pneumatic valves with a single plug design. Versatile and purpose-built, whether used for shutoff or changeover, these compact, modular valves are ideal for use wherever high standards of hygiene are required across the dairy, food, beverage, brewery, home-personal care and many other industries.

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Modular purpose-built pneumatic single seat valve for processes requiring high standards of hygiene

  • Exceptional valve hygiene and durability
  • Enhanced product safety due to superior cleanability with smooth, no-crevice inner valve body
  • Reduced wear part maintenance requirements due to defined seal compression that extends seal life
  • Enhanced product safety due to the static seal leak detection
  • Ensure hygiene and safety through full vacuum and added double lip seal protection against microbial contamination

Maximize process safety and hygiene while minimizing the risk of contamination with Alfa Laval single seat valves. The single plug design ensures you meet your process requirements for tight shutoff, superior hygiene, and process and product safety.

High reliability, low total cost of ownership, easy maintenance along with a wide range of flow rates and options to customize valves to specific process requirements make these extremely modular pneumatic valves the right choice for your hygienic processing needs. Fully configurable, these highly versatile valves are easy to upgrade to meet changing process requirements.


How does a single seat valve work?

Standard Alfa Laval single seat valves are operated by means of compressed air from a remote location. The actuator smooths operation and protects process lines, while directing or diverting fluids. The valve can be controlled using an Alfa Laval ThinkTop®.


Happy Customers

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Moloko Gorodets Dairy, Russia

We can count on continuous operations, thanks to the superior quality, reliability and service and support of Alfa Laval equipment, automation technology and components."

Mr. Gennadiy Zolotuhin, Master mechanic, Moloko Gorodets Dairy’s.


Read the case story about Moloko, Russia

Inox Food Technology, Italy

We recommend Alfa Laval to our customers for two reasons: the excellent quality-price ratio and the backing of a global company with a local service network for genuine spare parts and top-notch service.”

Leonardo Soldati, Principal and one of the chief designers, Inox Food Technology.


Read the case story about Inox Food Technology, Italy

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Close at hand catalogue about valves

At your fingertips: Alfa Laval hygienic valves to ensure the most efficient flow of fluids through your process lines. Our ‘Close at hand’ catalogue details everything you need to determine the optimal flow solution for your processes. What you get is no risk of cross-contamination, increased safety, more uptime and cost savings, and greater productivity.

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Services for hygienic valves

To ensure continuous uptime for your hygienic processes, extend the lifetime of your hygienic valves. With Alfa Laval as your service partner, you have access to our global service network and experts when you need it and local support when it counts. Rely on our broad range of services to optimize your processes – whenever, wherever.

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Grow your business. Optimize your fluid handling systems – sustainably

Make your processes more efficient and more sustainable while achieving regulatory compliance and ensuring your business thrives. With Sustainable Optimization from Alfa Laval, you can save up to 80% in energy savings as well as 90% in water savings and cleaning media, while minimizing waste. Good for people. Good for planet. Good for profitability.

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Bring your sustainability strategy to life

Get more energy and water savings and reduce emissions from your hygienic processing lines. Our monthly newsletter, near, brings you stories about how Alfa Laval can support you in improving environmental performance across the dairy, food, beverage, home-personal care and pharmaceutical industries. What’s good for people and planet is good for your business too.