UL / FM Butterfly Valve – Grooved Ends


  • Vulcanized disc design for bubble-tight shutoff at 300 psi
  • Flag type position indicator
  • Low torque operation, high cycle life
  • With built-in supervisory switch
  • Top flange to ISO 5211/1
  • Grooved Ends to AWWA C606 Standard or Metric Dimensions
  • UL Listed

Working pressure:

  • 300PSI
  • 200PSI and 250PSI available on request

Working temperature:

  • 42° F – 180° F

Corrosion protection:

  • Fusion Bonded Epoxy Coated Interior and Exterior to AWWA C550 Standard


  • May be fitted in either horizontal or vertical pipework. When installed in a horizontal pipeline, the valve stem should be preferably horizontal. This enables the butterfly valve to be self-cleaning and also enables the weight of the disk to be equally borne by the bearings.

UL / FM Butterfly Valve – Grooved Ends Material Specifications:

Part Name Material ASTM Spec.
Body Ductile Iron, Vulcanized EPDM A536 65-45-12
Disc Ductile Iron, EPDM Encapsulated A536 65-45-12 and EPDM
Shaft Stainless Steel AISI 431
Bushing Brass B16 C36000
Gearbox Housing Cast Iron A126 Class B
Gearbox Cover Cast Iron A126 Class B
Wormgear Brass B16 C36000
Worm Stainless Steel AISI 420
Handwheel Cast Iron A126 Class B