Custom Actuation Solutions Since 1973




Flowseal is a leading provider of soft seat, metal seat and fire-safe high performance butterfly valves.
Our products are manufactured under an ISO 9001 Quality Assurance Program that assures each valve we produce meets or exceeds your application requirements. Additionally, our Design and Manufacturing facility is certified to the Pressure Equipment Directive(PED), and Flowseal valves can be ordered as CE marked.

Flowseal high performance butterfly valves are a standard in many industries including heating, ventilating and air conditioning, power generation, hydrocarbon processing, water and waste water treatment, and marine and commercial shipbuilding.
Our products are also installed in applications as diverse as food and beverage processing, snowmaking and pulp and paper production. Configurations are available for harsh conditions as well as applications requiring nominal pressure and temperature ratings.

As part of Crane Valve Group, Flowseal high performance butterfly valves are backed by the resources and experience of one of the world’s largest valve producers with a delivery and quality track record that is unparalleled in the industries we serve.


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