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Bellows Expansion Joints industrial pipe flanges manufacturer
Expansion Joints

Сильфонные компенсаторы

Bellows expansion joints are flexible connectors consisting of one or more corrugated bellows elements designed to absorb thermal expansion, contraction, and mechanical vibration in piping systems. Available in axial (single and universal), lateral, angular (hinged and gimbal), and pressure-balanced configurations, each type is engineered for specific movement patterns and system constraints.

Our bellows are hydroformed or mechanically formed from stainless steel sheet (SS304, SS316L, SS321, Inconel 625) with optimized convolution geometry for fatigue life. Multi-ply designs offer increased flexibility and cycle life while maintaining full pressure capability. Each joint can be supplied with tie rods, limit rods, hinges, gimbal rings, internal flow liners, and external protective shrouds as required by the application.

Standard

EJMA / GB/T12777

Material

SS304/316L

Size Range

DN25-DN4000

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Применение

  • Steam and condensate piping in power plants
  • Chemical plant process piping
  • District heating transmission lines
  • Exhaust and flue gas ducting
  • Cryogenic piping systems

Контроль качества

All Bellows Expansion Joints products undergo NDT testing with MTC per EN 10204 3.1. Third-party inspection by SGS, BV, TUV available.