Jamesbury brand, WAFER-SPHERE® high-performance butterfly valves are available in wafer and single-flanged lugged designs for dead-end service for ANSI class 150, 300 and 600 pressure class applications. The Wafer-Sphere high-performance butterfly valve is available in a range of materials and seat combinations suitable for service in a wide variety of applications including NACE MR0103, and abrasive services. Also available are valves specifically prepared for chlorine, oxygen, high vacuum, and high cycle applications.