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TBH Mechanical Bellows Seal


  • Metal bellows design.
  • Flexible Graphite secondary seal for high temperatures.
  • Balanced design.
  • Bi-Directional.



  • Severe service such as High temperature oils, fuels, hydrocarbons, and liquid gases.
  • Suitable for Light abrasives.
  • Oil Refining.
  • Chemical.
  • Petrochemical.

Application Form

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Operating Range

  • Pressure Max: 290psi
  • Temperature Max: 0-750F
  • Speed Max: 4000fpm

Standard Materials

High temperature Metal bellows component seal with graphite secondary seal.


  • Metal Parts: 316SS or Hastelloy C
  • Seal Faces: Antimony Impregnated Carbon Graphite, Silicon Carbide, Resin
  • Impregnated Carbon graphite, Tungsten Carbide.
  • Secondary Seals: Nitrile, EPDM, FKM, FFKM.