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Single Sphere Expansion Joint

RUBBER SINGLE SPHERE EXPANSION JOINT

A compact, highly flexible molded rubber joint with spherical design. Ideal for absorbing vibration, noise, and multi-directional movements. Available in full-faced flange variation for superior sealing and flange protection.

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Single Sphere

expansion joint

Constructed from a single elastomeric sphere reinforced with nylon/steel cord, fitted with flanged or clamped ends. The spherical arch provides high flexibility, minimizes turbulence, and absorbs axial, lateral, and angular deflections. The full-faced flange type improves gasket coverage and sealing reliability in critical installations.

  • Size Range (DN)

    DN25 – DN3000

  • Materials (Elastomer)

    Natural Rubber, EPDM, Nitrile, Neoprene, Hypalon, PTFE-lined on request

  • Reinforcement

    Nylon tire cord with steel wire

  • Movements

    Axial, Lateral, Angular

  • Pressure Rating

    PN10 – PN25 (up to PN40 on request)

  • Temperature Range

    –20°C to +120°C (up to +150°C with special elastomers/PTFE lining)

Single Sphere

expansion joint

Constructed from a single elastomeric sphere reinforced with nylon/steel cord, fitted with flanged or clamped ends. The spherical arch provides high flexibility, minimizes turbulence, and absorbs axial, lateral, and angular deflections. The full-faced flange type improves gasket coverage and sealing reliability in critical installations.

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  • Size Range (DN)

    DN25 – DN3000

  • Materials (Elastomer)

    Natural Rubber, EPDM, Nitrile, Neoprene, Hypalon, PTFE-lined on request

  • Reinforcement

    Nylon tire cord with steel wire

  • Movements

    Axial, Lateral, Angular

  • Pressure Rating

    PN10 – PN25 (up to PN40 on request)

  • Temperature Range

    –20°C to +120°C (up to +150°C with special elastomers/PTFE lining)

Typical use case: Installed at pump suction and discharge lines to isolate vibration and protect connected equipment.

Other applications: HVAC and chilled water systems, desalination plants, power plants, oil & gas utilities, and marine piping.

Full-faced flange type: Used where enhanced sealing is required, e.g., chilled water, chemical transfer, or offshore systems.

  • Compact, easy to install, maintenance-free
  • Excellent vibration, shock, and noise damping
  • Absorbs multi-directional movements (axial, lateral, angular)
  • Reduces water hammer and surge loads
  • Full-faced flange option enhances sealing and gasket protection
  • Multiple elastomer grades for varied chemical/temperature service
  • Long fatigue life and reliable service performance
Single rubber
Flanges

carbon steel, galvanized, or stainless steel (standard or full-faced)

Control Rods

prevent over-extension in restrained systems

Vacuum Support Rings

for negative pressure service

Inner Liners & External Covers

for abrasive or outdoor environments