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ABZ Valve Triple Offset High Performance Butterfly Valve
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ABZ Valve Triple Offset High Performance Butterfly Valve


The ABZ Extreme 6000 series of triple offset butterfly valves delivers reliable positive shutoff or control performance for demanding high-pressure, high-temperature, and dirty fluid applications that demand metal over soft seats. Featuring a compact and lightweight design, zero leakage in both directions, and high-temperature sealing capacity, these valves provide a superior alternative to traditional gate and globe valves for isolation and throttling applications. 

The unique elliptical sealing components (disc seal, body seat, retainer plate) configuration reduces friction and provides tight shutoff while reducing running torque for a lower cost of ownership. All seating surfaces are field replaceable for reduced maintenance costs. Certified fire-safe construction per API 607 and ISO 10497, the Extreme 6000 butterfly valve holds zero leakage before, during, and after a fire event.


  • Sizes from 2” to 60”.
  • Cryogenic and high-temperature capabilities available.
  • Field replaceable body and disc seats.  
  • Fire-safe per API 607 and ISO 10497 standards.
  • High-temperature graphite stem packing prevents fugitive emissions and fire hazards.
  • Wafer, lug, double flange long and short, buttweld, and custom-engineered end connections and body configurations available.  


  • Oil and gas drilling and production. 
  • Refinery systems.
  • High- and low-pressure service.
  • Chemical processing.  
  • Power plants.
  • Pulp and paper processes.
  • Gas services including hydrogen, oxygen, and saturated steam.


  • Temperatures from -425°F (-235°C) to 1500°F (816°C).
  • Manual, electric, pneumatic, or hydraulic operation.
  • API 598, 607, and 609 compliant.
  • Certified to ISO 15848-½.
  • Ratings from ANSI 150, 300, and 600 compliant.
  • API 641, ISO 15848-1 & ISO 15848-2 available.
  • Pressure tested to API 598, ISO 5208 Rate A bidirectionally.


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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