Series 221/222

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An economical bonded resilient seated butterfly valve for bi-directional and end-of-line service• F221 Wafer style valve• F222 Lugged style valve Ideal for building services and irrigation applications that require shut-off control. The valve has a moulded in seat and can be used in full vacuum service.

  • Manufacturer: Emerson
  • Valve Type: Isolation
  • Sub-Type: Keystone Butterfly Valves
  • Bubble tight shut-off at full rated pressure in both directions.
  • The F222 lugged version is suitable for bi-directional end-of-line service at full pressure rating.
  • Top and bottom bearings absorbs side thrust loads.
  • A moulded-in O-ring in the seat for flange sealing eliminates the need for flange gaskets.
  • Body locating holes for easy installation and centering between flanges.
  • Extended neck allows adequate clearance for flange and insulation.

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