Prevent reverse flow in sanitary pipelines with Definox disc check valves. These check valves open with little pressure, and have been designed especially for the food industry. There areno product entrapment areas, which aids in avoiding bacteria growth. These valves are 3-A approved and come with a Viton stem. Other seats are available upon request. Avoid costly downtime by keeping spares on the shelf for your Definox disc check valves.