John Crane TYPE 502
The type 502 is one of the best-performing elastomeric bellows seals available for general service, excellent in a wide range of hot water and mild chemical duties. It is specially designed for confined spaces and limited glands lengths.

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Material used :
  • Stationary Ring (Alumina 99%/Alumina 99.5%/SiC/SSiC/TC)
  • Rotary Ring (Carbon/SiC/SSiC/TC)
  • Secondary Seal (NBR/EPDM/Viton)
  • Spring and Punched Parts (SS304/SS316)
Working conditions:
  • Mediums: Water, oil and weakly-corrosive mediums
  • Temperature: -20°C~150°C
  • Pressure: ≤1MPa
  • Speed: ≤ 12 m/Sec