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Auto-Mate Butterfly Valves

Provides all of the performance advantages of Norriseal butterfly valves in a convenient configuration that saves time and money when installing, actuating or maintaining them.

  • Standard mounting flange with multiple ISO mounting patterns adds versatility and reduces inventory requirements
  • Square and double D shafts simplify use with a variety of actuators
  • Hold plate provides positive seal retention, independent of the actuator
  • Valve can be installed in open or closed position
  • Worn valves are rebuilt using only a wrench and screwdriver
  • Rigid-backed rubber seats are easily replaced in the field
  • Shaft retention screws offer added safety while servicing the valve
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Auto-Mate Butterfly Valves


  • Angle disc provides 360° uninterrupted differential sealing surface
  • Fully bi-directional, positive-shutoff
  • High flow coefficient (Cv)
  • Long service life due to angle-disc design
  • Double-shaft seals and body bushings assure smooth, low-torque operation
  • Independent flange seals
  • Rigid drive, precision disc-to-shaft connection
  • PTFE-lined bushings for low seating torque and smooth valve positioning


  • Pressure ratings: 200 psi and 285 psi
  • Sizes: 3 in. to 12 in.
  • Body: non-wetted, ductile iron in lug or wafer designs
  • Seats: metal or resilient
  • Variety of disc materials
  • Actuation: pneumatic, electric and hydraulic actuation

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