"> DESMI DSL Serie
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DESMI

DSL Serie

DESMI DSL is a high-capacity vertical in-line pump for VLCC/ULCC ballast and cooling-water service. Used on the largest tankers and bulk carriers since 1985. Compact vertical design saves engine-room footprint.

800-5400 m³/h
Capacity
Sea water/ballast
Medium

Components & Design

Component data being added…

Technical Data

pump type Vertical in-line centrifugal pump (high-flow)
variant count approx 110
period start year 1985
drive type Electric
construction Cast iron with bronze or duplex stainless impeller

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Common failures & inspection points

●Casing flange gasket leakage at high pressure
●Mechanical seal failure under cavitation conditions
●Bearing housing leakage in vertically-mounted units
●Impeller cavitation erosion at insufficient NPSH

Service & Maintenance

NPSH-margin verification critical. Mechanical seal inspection every 6000h in heavy use. Bearing replacement at 20000h. Casing flange torque check after thermal cycling.

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Replacement Parts

Large-diameter wear rings, casing gaskets, mechanical seal cartridge, coupling elements. Lead time DESMI 8-12 weeks for stock items.
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Equipment Model #37452 · ✓ still in production