⚓ Working on this equipment?
Ask the AI troubleshooter, log your hours on board and turn them into invoice-ready service reports — for this exact model.
Start free — 14 days →
No credit card required
🔧 10 verified suppliers & service companies for DESMI in the Maritime Network
Find suppliers →
DESMI
NSLH (HT/LT)
DESMI NSLH — high-temperature variant of NSL for HT/LT engine cooling water circuits since 2005.
50-2000 m³/h
Capacity
Hot fresh water (HT/LT cooling)
Medium
Components & Design
Component data being added…
Technical Data
pump type
Vertical in-line centrifugal pump (high-temp)
variant count approx
120
period start year
2005
drive type
Electric
construction
Cast iron, high-temp seals
🤖 Ask about this model
One free question — answered like a marine engineer. No account needed.
Common failures & inspection points
●Mechanical seal failure at HT cycling
●Bearing wear
●Cavitation under reduced NPSH
●Casing thermal stress
Service & Maintenance
HT service: seal every 6000h. Thermal cycling impact on alignment.
Suppliers & Spare Parts
Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.
📄 Request sourcing links & documents🛠 Manage this equipment in your fleet
Cases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.
Start free trial →🔎 Suppliers & service for this equipment
Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.
Maritime Network →Replacement Parts
High-temp seal cartridge, bearings, gaskets.
Working on this unit?
Log hours, photos and findings into an invoice-ready service report — OceanSphere Marine, 14-day free trial.
Need a service partner for DESMI?
114,000+ shipyards, suppliers and service companies in the Maritime Network directory.
Equipment Model #37502
· ✓ still in production