80 & 81 Series Resilient Seated Butterfly Valve

Soft seated cartridge seat type butterfly valve

One piece body construction, direct mount

ISO 5211 mounting pad

NSF61  certified

TAA compliant

  • One piece body construction of ductile iron, cast iron or Stainless Steel and complies with MSS SP 67, and ISO 5752
  • ISO 5211 mounting pad with square or key type stem shaft permits direct mount actuation for both manual (lever and gear), pneumatic and electric operations
  • Teflon stem bushing to assure long life even during extended period of activity. Lower operator torque for easy manual operation and maximum shaft support
  • High strength two-piece stem eliminates taper pins or disc screws, which often fail prematurely through abrasion, corrosion or fatigue
  • All disc castings are spherically machined and polished for extended seat life and bubble tight shut off
  • Seat type available in both encapsulated phenolic or aluminum-backed cartridge seat. Cartridge design seat permits easy change without special tools
  • Reduced disc option for lower pressure applications, requiring lower torque and smaller actuators
  • Conforms to MSS SP 61. Shell tested to 150% and seat tested to 110% of maximum working pressure
  • Full rated disc, lug body valves are rated for 150 psi in dead end service
  • Live loaded packing


2″ – 24″


  • Cast Iron
  • Ductile Iron
  • Stainless Steel


  • Class 125/150


  • ANSI 125/150, JIS, 10K, PN 10/16


  • Lever
  • Gear
  • Actuators


  • Cartridge
  • Complete automation capabilities
  • TAA compliant
  • NSF
  • Used for shutoff on clean water and gases
  • Clean and dirty water for water and wastewater services