Centrifugal Pump · Pumps
KSB Pumps. KSB ist ein langjähriger Partner der Schifffahrtsindustrie mit umfassender Produktpalette für alle maritimen Anwendungen (Frachtschiffe, LNG-Tanker, Bagger, Fahrgastschiffe). Die Etanorm (Weltmarktführer, normalisierte Kreiselpumpe nach EN 733) ist für Seewasseranwendungen geeignet. Die Movitec ist eine mehrstufige Hochdruck-Inlinepumpe mit exzelle
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| Mechanical seal inspection/replacement | typically every 8,000-12,000 h or on leakage |
|---|---|
| Bearing lubrication/replacement | per maker schedule, commonly every 8,000 h (grease) or annually |
| Wear ring/impeller clearance check | at major overhaul, typically every 3-5 years |
| Alignment check | after any coupling-disturbing maintenance, and annually |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Wear ring radial clearance | typically renewed once clearance opens to roughly double the as-new value, often in the range 0.3-0.6 mm depending on pump size - confirm against KSB's clearance table for this model |
|---|---|
| Impeller vane erosion | judged by measurable thinning/pitting at inspection rather than a single numeric limit - confirm against KSB overhaul criteria |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Cargo pumps are typically covered by periodic performance and leakage checks under the ship's planned maintenance system; class surveys commonly review pump room gas detection and seal condition records where flammable cargoes are carried.
Estimated lifetime: Centrifugal pumps of this size and duty class typically run 20,000-30,000 hours between major overhauls under normal cargo service, with seals and bearings commonly needing attention well before then.
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