Flex-Weld / Keflex Incorporated

Model 30 MC Series - Multi-Purpose Exhaust Expansion Joints



Fixed by Floating Flange quick, easy bolt alignment for replacement applications. Multi-Ply Bellows Construction movement rated at 30,000 cycles plus. Easier movement—less force to actuate. Greater vibration absorption. Better heat dissipation.


  • Generator Sets
  • Marine Propulsion
  • OEM Engines
  • Gas Turbine Exhaust
  • Power Units
  • Auxiliary System Piping


  • Marine
  • Construction
  • Oil Platform
  • Power Generation
  • Railroad
  • Ship Building

30 MC Features:

  • Internal Stainless Steel Liner (Optional)
    • Provides insulating effect to reduce the temperature on the bellows and increase service life.
  • Design Assistance
    • Piping system design and layout assistance available upon request.
  • Shorter OAL
    • Easy, quick installation.
    • Lightweight, compact.
    • Saves space.
    • High interchangeability.

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