Senior Aerospace Metal Bellows

High Pressure Bellows Seal

High Pressure Bellows Seal

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Senior has developed a patent pending bellows technology for use in high pressure injection valve applications. This bellows technology is capable of supporting injection pressures up to 15,000 psi.

The High Pressure Bellows Seal is intended for use in gas charged, injection valve applications. This seal typically uses a double bellows arrangement.

Pressure capability

  • Dome charge pressure: 1,000 to 15,000 PSIG
  • Injection gas pressure: 1,000 to 15,000 PSIG

Cycle life capability

  • 20,000 Cycles Minimum


  • Inconel 718/625 (Bellows)
  • Incoloy 945/945X (Housing)

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Detail info and technical specifications on products, capabilities and systems

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