Butterfly Valves are typically used to open and close (seal type) or adjust the medium flow in pipes. They have an extended use in many industrial applications such as oil&gas, chemical and petrochemical plants, water pipelines, mining applications, etc...
Trustworthy can provide centered axis or simple eccentric butterfly valve designs but for severe applications such as high temperatures or at high opening and closing frequencies double or triple eccentric butterfly valves are available.
Butterfly valves ensures a perfect performance and sealing for pressure ratings up to ASME Class 600#. A variety of configurations are available according to API 609 Design standard valves: Double Flanged type, Wafer and Lug construction. Butt welded end connection also available upon request.