Type 4600 with Shut Down Seal

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Type 4600 with Shut Down Seal

Type 4600 with Shut Down Seal
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Item Description
1 Seal face
2 Mating ring
3 Collar
4 Face housing
5 Clamping ring
6 Springs
7 Housing
8 Gasket
9 Cover
10 Back-up ring
11 Shut down seal
12 Flange
Clamp ring

Type 4600 with Shut Down Seal

Features

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

  • 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

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

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

Notes

Special designs available:
  • Split mating ring
  • Amagnetic properties
  • Shock resistance

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