M481 seal
M481 seal

Features mechanical seal m481

  • For top entry drives
  • Double seals
  • Unbalanced
  • Independent of direction of rotation
  • Multiple springs rotating
  • Liquid-lubricated
  • Cartridge unit

Advantages mechanical seal m481

  • Ready-to-fit and factory-tested units
  • Available with or without bearing
  • Suitable for standardizations
  • Seal can be applied at higher pressure and rotating speed than specified by DIN
  • Self-closing on product side
  • ATEX certification on request
dimension-seal-m481-burgmann

Operating range mechanical seal m481

  • Shaft diameter:
    d1 = 40 … 220 mm (1.57″ …. 8.66″)
  • Pressure:
    p1 = vacuum … 16 bar (232 PSI),
    p3 = max. 18 bar (261 PSI)
  • Temperature:
    t1 = -40 °C … +200 (350*) °C
    (-40 °F … +392 (662*) °F)
  • Sliding velocity:
    vg = 0 … 5 m/s (0 … 16 ft/s)

For applications beyond this range, please inquire.

* with cooling flange

Materials mechanical seal m481

  • Seal faces: Carbon graphite or Silicon carbide, FDA conform
  • Seats: Silicon carbide, FDA conform
  • Secondary seals and metallic parts acc. to application and customers’ requirement.
ItemDescription
1Seal face, atmosphere side
2Seal face, product side
6, 7, 13, 14, 15O-Ring
11Seat, product side
12Seat, atmosphere side

Recommended applications seal m481 Burgmann

  • Refining technology
  • Petrochemical industry
  • Chemical industry
  • Pharmaceutical industry
  • Food and beverage industry
  • Agitators
  • Reactors