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Reinforced

METALLIC REINFORCED EXPANSION JOINT

A heavy-duty expansion joint enhanced with reinforcing rings to withstand higher internal pressures and provide added stability compared to standard designs.

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Reinforced

expansion joint

The Metallic Reinforced Expansion Joint incorporates reinforcing rings (hollow, solid, welded, or machined types) around the bellows to increase pressure resistance and improve load distribution. This construction allows the joint to handle more demanding conditions while still accommodating axial, lateral, and limited angular movements. Available with weld ends, fixed flanges, or loose flanges, it is particularly suited for high-pressure or critical service applications.

  • Size Range (DN)

    DN50 – DN5000

  • Materials

    SS304 / SS316L / SS321 / Inconel / Hastelloy / others on request

  • Movements

    Axial (primary), plus Lateral & Angular

  • Pressure Rating

    Up to 100 bar (higher on request)

  • Temperature Range

    –196°C to +800°C (depending on material)

Reinforced

expansion joint

The Metallic Reinforced Expansion Joint incorporates reinforcing rings (hollow, solid, welded, or machined types) around the bellows to increase pressure resistance and improve load distribution. This construction allows the joint to handle more demanding conditions while still accommodating axial, lateral, and limited angular movements. Available with weld ends, fixed flanges, or loose flanges, it is particularly suited for high-pressure or critical service applications.

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  • Size Range (DN)

    DN50 – DN5000

  • Materials

    SS304 / SS316L / SS321 / Inconel / Hastelloy / others on request

  • Movements

    Axial (primary), plus Lateral & Angular

  • Pressure Rating

    Up to 100 bar (higher on request)

  • Temperature Range

    –196°C to +800°C (depending on material)

Typical use case: Widely used in high-pressure process lines where standard joints may not provide sufficient stability, such as boiler feedwater systems and refinery pipelines.

Other applications include:

  • Power generation plants
  • Oil & gas and petrochemical facilities
  • Industrial process plants handling high-pressure media
  • HVAC and utility systems in heavy industries
  • Designed specifically for high-pressure applications
  • Reinforcing rings distribute stress and limit compression per convolution
  • Enhanced structural stability compared to standard bellows
  • Reduces loads on pumps, turbines, and connected equipment
  • Resistant to corrosion, high temperature, and fatigue stress
  • Long service life with reduced maintenance requirements
  • Available with customizable end connections (weld ends, fixed/loose flanges)
  • Optional accessories: liners, covers, gussets, and adjustment rods
reinforced
Reinforcing Rings

increase pressure resistance and load distribution

Flow Liner / Inner Sleeve

protects bellows from abrasive or turbulent media

Limit Rods

prevent over-compression/extension

Adjustment Rods

assist in installation and alignment

Gusset Plates

provide added reinforcement at structural connection points

End Connections

weld ends, fixed flanges, or loose flanges