Keystone Series 221/222

Keystone Series 221/222Resilient seated butterfly valve for bi-directional and end-of-line service - ideal for shut-off control

The Series 221/222 is an economical bonded resilient seated butterfly valve for bi-directional and end-of-line service. It is 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.

  • 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.

Click here to explore our extensive resource library.

Emerson Keystone
Education Courses

Keep up to date with our training opportunities. View the course catalog.

Spartan Controls 2016 Education Course Calendar
Call To Action
Reach a Spartan Expert
Call To Action
Close x
Close x