Teflon bellows seal

Teflon bellows seal <br/>Y29

Teflon bellows seal


  • Rotating outside mounted
    Teflon® bellows seal
  • Flexible Teflon® bellows takes more shaft run-outs
  • Independent of direction of rotation
  • Less number of parts in contact with media
  • Silicon carbide faces for highly abrasive media


  • Cost effective solution for highly corrosive media
  • No dynamic O-Ring, no hang-up, no shaft-sleeve damage
  • Simple removable faces for easy replacement"

Operating range

Shaft diameter: d = 22 … 75 mm (0.86" ... 2.95")
Pressure: p = 2 ... 5 bar (29 ... 72 PSI)
Temperature: Für jede Einbaulage geeignet.t = -75 °C ... +110 °C (-103 °F ... +230 °F)
Sliding velocity: vg = 25 m/s (82 ft/s)
Axial movement: ±0.8 mm

(Consult EB for applications outside above limits).


Seal ring: Carbon graphite resin impregnated, Glass filled Teflon®, Silicon carbide
Mating ring: Silicon carbide, Ceramic
Bellows : Glass filled Teflon®
Metal parts: SS 316, other materials on request.

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API Plan 02

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