Type GL1B Metal Bellows Seals | John Crane Mechanical Seals
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Type GL1B

Formed Metal Bellows Seal for General Service

The Type GL1B is a double-ply formed bellows seal to meet the dimensional requirements of DIN 24960 L 1K. The double-ply design results in axial-flexible, yet extremely strong construction. The GL1B is used on general sealing duties in pumps, mixers, blenders, agitators, compressors and other rotary shaft equipment. The bellows are manufactured from Inconel 625 for strength and corrosion resistance, and face materials for arduous service are available.

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  • California Residents: PROPOSITION 65 WARNING
  • Smooth, open bellows profile ideal for slurries and fibrous liquids.
  • Hydraulically balanced with no dynamic elastomers to hang-up or restrict movement.
  • Widely used in a range of process industries such as chemical process, paper and pulp, and a full range of water and sewage industries.
  • Available in component or engineered cartridge arrangements.
  • DOUBLE-PLY Inconel bellows combines strength with axial flexibility.


Limites de température

-40 à 500 °F/-40 à 260 °C

Pressure Limits

Dynamic /Static: Vacuum to 230 psi(g)/16 bar(g)

Special Design: Vacuum to 435 psi(g)/30 bar(g)

Limites de vitesse

5 000 pi/min/25 m/s

Applications recommandées

  • Pompes de traitement
  • Autres équipements rotatifs

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