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ABZ Valve Resilient Rubber Seated Butterfly Valve 709/719 Series

ABZ Valve Resilient Rubber Seated Butterfly Valve 709/719 Series


Forum’s rugged, general purpose ABZ™ 709/719 resilient-seated butterfly valves are machined to offer long life and resiliency in a slim profile that permits maximum open fluid flow. Offered in sizes under 12 inches, these sturdy little valves meet the strictest industry standards for durability and tight shutoff. The 709/719 valves feature superior sealing features such as unique double-V stem self-seals that protect stem areas during vacuum or pressure use. Available in wafer and full lug body styles, you can select from numerous materials and configurations for specific product needs.

Our ABZ valves meet rigorous industry standards that include the American Petroleum Institute (API), the American Society of Mechanical Engineers (ASME) and the American National Standards Institute (ANSI).


  • General purpose
  • One- to 12-inch sizes
  • Rated to 150 PSI
  • Wafer-style body (709)
  • Full-lug-style body (719)
  • One-piece disc/stem
  • Special snap-in seat available in various materials including Teflon®
  • Disc: standard trim stainless steel, Buna-N covered, or EPDM* rubber (other materials on request)
  • Teflon graphite-impregnated stem brushing
  • Top bushing to protect stem from side-to-side thrust of operators
  • Compliance: API (598/609 Category A), ANSI Class 125/150, ASME (16.1/16.5/16.34/MSS SP-67)


Forum’s comprehensive ABZ product line includes general purpose and specialty valves up to 72 inches. All of our resilient-seated valves feature tight-tolerance bodies, resilient seals, simplified field maintenance and durable impact/corrosion-resistant materials for maximum life.


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