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.
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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
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 |
Recommended applications type 4600 with shut down seal Burgmann
- Shipbuilding
- Sea water
- Fresh water