Type 4600 seal
Type 4604

Features mechanical seal type 4600

The water-lubricated stern tube seals type 4600 from EagleBurgmann are not alone an environment-friendly solution. They meet all technical requirements of modern sealing technology: modular design, convenient installation, little maintenance, no adjustments.
Type 4600 water-lubricated stern tube seals are virtually leak-free and are leaving no oil or grease residues in the waterway. And because they prevent getting water into the bilge, no elaborate actions are required for its disposal.
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Advantages mechanical seal type 4600

  • Water-lubricated
  • No oil or grease emissions to the environment
  • Low power consumption
  • Carbon seal face unsplit for first installation, split for repairs
  • Version with split mating ring available
dimension-type-4600

Operating range mechanical seal type 4600

  • Shaft diameter:
    d1 = 50 … 320 mm (1.97″ … 12.60″)
  • Pressure: p = 2 … 7 bar (29 … 102 PSI)
  • Temperature:
    t = -5 °C … 40 °C (23 °F… 104 °F)
  • Speed range: n = see diagram
  • Allowed shaft movements
    Axial: ±5 mm,
  • Radial: Shaft diameter (d1) up to 200 mm: ±2 mm,
    >200 mm: ±3 mm

Materials mechanical seal type 4600

  • Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)
  • Mating ring: Special cast CrNiMo steel
  • Collar: Nitrile-butadiene rubber (P)
  • Face housing: 1.4571 (G)
  • Clamp ring: 1.4572
  • Springs: Hastelloy® C-4 (M)
  • Housing: Bronze / 1.4571
  • Gasket Burasil® (Y)
ItemDescription
1Seal face
2Mating ring
3Collar
4Face housing
5Clamp ring
6Springs
7Housing
8Gasket

Recommended applications seal type 4600 Burgmann

  • Shipbuilding
  • Sea water
  • Fresh water