Ballast Pump · Pumps
DESMI NSL is the workhorse vertical in-line ballast and cooling-water pump on modern bulk carriers, container vessels and tankers. Modular design saves space and reduces maintenance time. Standard equipment on many newbuilds since 1990.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Photos, drawings and page previews from this model’s datasheet or catalog.
What our service work and the manufacturer documentation say about keeping this model running.
Modular design — most service possible without removing pipework. Mechanical seal inspection every 8000h. Bearing replacement at 20000h. Annual vibration analysis.
Standard cartridge seal, modular bearing housing, wear rings, shaft sleeve. DESMI standard parts widely stocked at chandlers.
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