Jamesbury™ butterfly valves

The combination of a unique off-center disc, proprietary seat design, Xtreme™ sealing technology, and other features make our Wafer-Sphere™ high-performance butterfly valve a tight-sealing, long-lasting, yet lighter and lower-cost alternative to gate valves and other heavier rotary-type designs.

The best of both worlds

Bringing together 45 years of butterfly valve expertise from two sides of the Atlantic Ocean

Discover the journey of butterfly valves

Versatile butterfly valves

The new generation of Neldisc™ metal-seated and Wafer-Sphere™ soft-seated butterfly valves is built to deliver sustainable performance today and tomorrow.

The next generation of butterfly valves

Jamesbury butterfly valves offering

Jamesbury™ butterfly valve, series 800

Jamesbury Wafer-Sphere™ high-performance butterfly valves combine unique off-center disc, proprietary seat design and Xtreme™ sealing technology. Tight, long-lasting sealing, and yet light and low-cost design makes it a good alternative to gate valves and other heavier rotary-type designs.