AIV Product Line

Flowseal is a leading manufacturer of soft-seat, metal-seat, and fire-safe high-performance butterfly valves. Each valve is produced under an ISO 9001 Quality Assurance Program and certified to the Pressure Equipment Directive (PED), ensuring they meet or exceed the most demanding application requirements. As part of the Crane Valve Group, one of the world’s largest valve producers, Flowseal benefits from access to global expertise and extensive resources, ensuring consistent quality, reliability, and prompt delivery. Flowseal valves are used for shutoff and control in industries such as HVAC, power generation, hydrocarbon processing, water treatment, and marine systems. AIV offers Flowseal butterfly valves in a range of sizes, materials, and designs to meet different operational needs.