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High-Performance Butterfly Valves

Fisher high-performance butterfly valves feature an eccentrically mounted disc and are known for their wide application range and shutoff capability. They are available for a variety of control and isolation service from cryogenic to high temperature and pressure classes to ASME CL2500 and sizes from NPS 2 to 72. High-performance butterfly valves are designed for isolation on/off service, as well as low-tier control. The valves feature keyed, double D, or square valve shafts. Shutoff is provided by a variety of seals which include metal, PTFE and fire-tested and cryogenic. 

  • Fisher 8532 Valve
    The Fisher 8532 high-performance butterfly valve has a splined shaft for throttling control. With a variety of seals, it can be used in most industry applications.
  • Fisher 8560Fisher 8560 Valve
    The Fisher 8560 high-performance butterfly valves have a splined shaft for throttling control. With a variety of seals, it can be used in most industry applications.
  • Fisher 8580 Valve
    The Fisher 8580 rotary valves offer excellent throttling performance. An approximately linear flow characteristic provides precise throttling control.
  • Fisher 8590 Valve
    The Fisher 8590 rotary valves offer excellent throttling performance with a spline shaft and a linear flow characteristic. Square and keyed shaft options are also available for use in on/off service.
  • POSI-SEAL A11Fisher A11 Valve
    The Fisher A11 butterfly valve features a keyed or square-end shaft for on/off applications. Available in flangeless or a single-flange style.
  • Fisher POSI-SEAL A31Fisher A31A Valve
    The Fisher A31A butterfly valve features a keyed shaft for on/off service. Available in either a flangeless or a single-flange.
  • Fisher POSI-SEAL A31DFisher A31D Valve
    The Fisher A31D double-flange butterfly valve features either a splined drive shaft or a keyed drive shaft for either throttling or on/off service.
  • Control-DiskFisher Control-Diskā„¢ Valve
    The Fisher Control-Disk rotary valve allows you to control closer to the target set point, which results in a reduction in process variability.