Check Valves are widely used for both sanitary and industrial applications to prevent backflow of product. Ball Check Valves are designed to allow full product flow during processing. Once the product flow stops the ball rolls back to the seat at inlet preventing back flow. Ball Check Valves are commonly used with liquid products. Sizes range 11/2" - 3". Spring Check Valves are designed to assist closure pressure to create a positive shutoff. They are commonly used with liquid products. Sizes range 1/2" - 4". Both valves are offered with standard clamp ends. Other connections are available upon request. Valves are made of T316L stainless steel. Air Blow Check Valves are designed to evacuate lines of product or CIP solutions. Air Blow Check Valves are made of T316L Stainless Steel.