Sanitary check valves are used to prevent backflow contamination in pipelines. These valves are used in manufacturing processes & other applications with stringent hygiene standards, such as the food, beverage, pharmaceutical, chemical, and medical industries. In this article, we’ll dive deeper into how exactly sanitary check valves prevent backflow contamination! If you are interested in purchasing sanitary check valves or other sanitary fluid sensing & flow control products from an authorized distributor of industry leading manufacturers, please contact our team at Sentrol Life Sciences today or shop our online store!

Check Valves vs. Sanitary Check Valves

Check valves are valves that only allow liquid and gasses to flow through them in one direction. Check valves achieve this one-way flow by employing the force of the liquid or gasses flow to automatically engage or disengage the stopping mechanism in the valve. Check valves have two ports; one for liquids or gasses to enter, and one for them to exit. When fluid flows forward, the valve automatically opens to let the fluid flow through, however when fluid attempts to reverse direction and flow backwards, the check valve will automatically close and prevent backflow contamination. Check valves have a relatively straightforward design and typically do not require any external controls, as the flow of the fluid within the pipeline does all the engaging and disengaging automatically. 

The primary differences between an average check valve and a sanitary check valve are the design and materials used to create them. The inside portions of sanitary check valves that come in contact with the liquids or gasses within the pipeline are typically made from either 304 or 316 stainless steel, both of which are non-toxic and corrosion-resistant. Sanitary check valves also have polished, easy-to-clean surfaces in order to prevent build-up of the medium flowing through them.

Shop Sanitary Check Valves Online or Contact Sentrol Life Sciences Today!

If you have any additional questions about sanitary check valves in relation to your application, please don’t hesitate to contact our team at Sentrol Life Sciences! We provide manufacturing facilities in New England, the Mid-Atlantic, and Eastern Canada with instrumentation sales, repair, calibration, and much more! Call us today at (888) 877-1778 or fill out the contact form on our website, and we’ll get back to you as soon as possible! Shop our online store to purchase sanitary check valves from industry-leading manufacturers!