Type 4600 seal

Features type 4600 with shut down seal

  • 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. Applying a shut down seal eliminates costly and time-consuming dry-docking. Maintenance and repairs can be performed with vessel afloat.
  • 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.
    Please ask us for references.

Advantages type 4600 with shut down seal

  • With shut down seal
  • Water-lubricted
  • 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

Operating range type 4600 with shut down seal

  • 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

Flushing: approx. 1 l/h per Millimeter of shaft diameter (d1)

Materials type 4600 with shut down seal

  • Seal face: Carbon graphite antimony impregnated (A),
    Carbon graphite resin impregnated (B)
  • Mating ring: Special cast CrNiMo steel (S) / 1.4462
    Collar, shut down seal:
    Nitrile-butadiene rubber (P)
  • Springs: Hastelloy® C-4 (M) /1.4401
  • Gasket: Burasil® (Y)
  • Metal parts: 1.4571 / Bronze
1Seal face
2Mating ring
4Face housing
5Clamping ring
10Back-up ring
11Shut down seal

Recommended applications type 4600 with shut down seal Burgmann

  • Shipbuilding
  • Sea water
  • Fresh water