Keystone Figure 9 Resilient seated butterfly valve

Keystone Figure 9 Resilient seated butterfly valve

Keystone™ figure 9 is a resilient seated butterfly valve for general purpose application.

Any questions?

Anders Praem
Inside Sales Engineer
Phone. 2137 7759

Kenn Gerwien
Area Account Manager East
Phone. 2346 5513

Slawka Pedersen
Inside Sales Manager
Phone. 2137 7702

End Connection Wafer
Application Air Circulation, Facilities & Process Utilities
Material 316 Stainless Steel, Cast Iron
Operating Temperature Up to 250 F (120 C)
Pressure Class ASME
Process Connection Type 150RF
Seat/Seal Type Resilient
Shutoff Class Zero Leakage
Valve Size Standard NPS
Valve Type Butterfly
Media Air, Liquids, Water
Stem O-ring
  • 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.
  • Field replaceable seat isolates the body and stem from the flow.
  • Molded-in O-rings provides flange sealing and eliminates need for gaskets.

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