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Universal/Universal Tied

METALLIC UNIVERSAL EXPANSION JOINT

A dual-bellows expansion joint designed to absorb movements in all directions. The universal configuration makes it highly effective for lateral deflections and ideal for systems with complex piping layouts.

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Universal

expansion joint

The Metallic Universal Expansion Joint consists of two bellows separated by a central pipe section (spool). This design allows it to accommodate large lateral deflections, as well as axial and angular movements. The movement capability can be adjusted by modifying the spool length. Available with weld ends, fixed or loose flanges, with or without internal sleeves, this joint offers flexibility for varied piping requirements.

  • Size Range (DN)

    DN50 – DN5000

  • Materials

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

  • Movements

    Lateral (primary), plus Axial & Angular

  • Pressure Rating

    Up to 100 bar (higher on request)

  • Temperature Range

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

Universal

expansion joint

The Metallic Universal Expansion Joint consists of two bellows separated by a central pipe section (spool). This design allows it to accommodate large lateral deflections, as well as axial and angular movements. The movement capability can be adjusted by modifying the spool length. Available with weld ends, fixed or loose flanges, with or without internal sleeves, this joint offers flexibility for varied piping requirements.

  • Size Range (DN)

    DN50 – DN5000

  • Materials

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

  • Movements

    Lateral (primary), plus Axial & Angular

  • Pressure Rating

    Up to 100 bar (higher on request)

  • Temperature Range

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

Typical use case: Extensively used in irregular or complex pipe systems where significant lateral movement needs to be absorbed.

  • Ventilation ducts and exhaust gas systems
  • Fresh air and flue gas lines
  • Vibration absorption in process equipment
  • Power plants, energy systems, and petrochemical facilities
  • Accommodates large lateral movements, along with axial and angular deflections
  • Universally adaptable across multiple industries and systems
  • Customizable center spool length to suit installation gaps
  • Compact design with no change in flow direction
  • Excellent resistance to corrosion, pressure, and high temperatures
  • Multilayer bellows construction for low spring rate and long fatigue life
  • Minimal maintenance requirements for long-term operation
  • Flexible end connections: weld ends, fixed flanges, or loose flanges
  • Options for internal liners, covers, tie rods, and adjustment rods
universal joint
External Cover / shroud

provides protection to the bellows

Flow Liner / Inner sleeve

shields bellows from turbulent or abrasive media

Tie Rod

retain pressure thrust where applicable

Limit Rod

prevent over-compression or over-extension

Control Rod

distribute movement evenly between the two bellows

Adjustment rod

assist in setting length prior to installation

End Connection

weld ends, fixed flanges, loose flanges

Middle spool

connects both bellows and determines lateral deflection capacity

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