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A resilient seated butterfly valve for general purpose applications The ideal valve for dry bulk conveying, food and beverage processing, corrosive slurries and paperstock.

  • Manufacturer: Emerson
  • Valve Type: Isolation
  • Sub-Type: Keystone Butterfly Valves
  • Bubble-tight shut-off at full pressure rating (PTFE lined configuration is drop tight).
  • The seat and the disc are the only two valve parts in contact with the medium.
  • Superior design for abrasive and erosive media.
  • Famous Keystone dovetail seat design.
  • Very low pressure drop.
  • Large number of material combinations available.
  • Standardized actuator flange for easy operator interchangeability.
  • Top bushing absorbs side thrust loads.
  • Hub seal provided by preloaded contact between flatted seat surface and disc hub area for positive sealing at all disc positions.
  • One-piece wafer thin disc stem gives the very minimum obstruction to flow.

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