DESLUBE-N
DESMI DESLUBE-N — Multi-stage submerged deep-well lubrication oil pump with thrust bearing.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Verify stainless steel grades (AISI304/304L) and coating conditions; inspect for pitting, crevice corrosion, or galvanic coupling with dissimilar metals in marine environment
For DESLUBE/NDW: inspect double shaft seal and pressure booster condition; for DOP series: verify positive displacement screw geometry; for DesFuel: check magnetic coupling seal integrity and alignment
Measure bearing clearance every 1.2m shaft length (DESLUBE/NDW); inspect carbon bearings for wear; verify impeller dynamic balance; check for cavitation erosion marks
Verify pump inlet line configuration; measure actual inlet pressure; confirm sufficient head above pump inlet; inspect suction strainer for blockage; validate NPSH margin against pump requirements
For DESLUBE: verify 0-80°C operation limits; for DesFuel: confirm -165°C cryogenic capability; inspect thermal expansion effects on seals, casings, and intermediate pipes
Type-general inspection and maintenance points for this equipment category — not model-specific.
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