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Norriseal Series R200 Butterfly Valves

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Norriseal Series 200 butterfly valves provide bi-directional, positive shutoff to 200 psig working pressure. They are available in both resilient-seated (Series R200) and
metallined (Series M200) configurations. All Series 200 butterfly valves feature a unique angle disc that creates a 360° uninterrupted differential sealing surface.

Series 200 butterfly valves have independent flange seals and a non-wetted body that may be specified with either lug or wafer design. All Series 200 butterfly valves
are easily repaired in the field.



Sizes  2″ to 36″
Pressure ratings 200 psig
Temperature range -20 °F to 250 °F
Body Cast iron, Ductile iron, Nickel aluminum bronze
Disc Ductile iron, Carbon Steel (WCB), Valve Bronze, Aluminum bronze, Aluminum Alloy
Seat NBR, EPDM, Fluoroelastomer (Viton)



  • Double-shaft seals and body bushings assure smooth,
    low-torque operation
  • Independent flange seals
  • Rigid-backed rubber seat easily field-replaced
  • Non-wetted body available in lug or wafer designs
  • Rigid drive, precision disc-to shaft connection
  • Resilient-seated design (R200) offered in a wide variety
    of elastomeric seals and metallic materials
  • Metal-lined design (M200) provides positive shutoff with
    minimum sealing material
  • Available with a variety of pneumatic, electric and
    hydraulic actuation

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