Specifications

  • Size Range: 
    Compatible with the full range of MPI valve and gate products
  • Temperature Range: 
    0°F-250°F
  • Design/Test Standard:
    AWWA M49
  • Mounting Extension Materials:
    Carbon Steel (standard)
  • Shaft Extension Material:
    Carbon steel, T304SS or T316SS (optional)

Features & Benefits

  • Bonnet Extensions are used when a valve must be operated from a distance above due to structural, buried, or submerged conditions.
  • Thrust bearing provided when stem weight exceeds limit for proper operation.
  • Closed position stop provided when shaft deflection exceeds AWWA limits.

Note: Illustration depicts AWWA C504 seat-on-disc butterfly valve with traveling nut actuator mounted to extended bonnet.

Features & Benefits Photo