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TBS Features

  • Metal bellows design.
  • Static o-ring seal – eliminates shaft fretting.
  • Balanced design.
  • Bi-Directional.

TBS Applications

  • Moderate temperature petroleum products
  • Suitable for Light abrasives.
  • Oil Refining.
  • Chemical.
  • Petrochemical.

Application Form

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Operating Range

  • Pressure Max: 145psi (10 Bar)
  • Temperature Max: -40-500F (-40-260C)
  • Speed Max: 4000 fpm (20 m/s)

Standard Materials

Metal bellows component seal with o-ring 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.