Jamesbury® Wafer-Sphere high-performance butterfly valves provide long-lasting tight shut-off capability, excellent flow characteristics, and long service life.  Available in a wide choice of materials for a broad range of applications.  API-607 (Fire-tite) & CE Marked versions available.

Duncan carries in stock many automation accessories available for quick shipment.

  • Soldo Limit Switch Boxes
  • ASCO Solenoid Valves
  • YTC Smart Positioner
Contact us today for help with your applications!