OceanSphere
Engines
⚓ 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
🔧 3 verified suppliers & service companies for ALLWEILER (CIRCOR/IDEX) in the Maritime Network Find suppliers →
Is ALLWEILER (CIRCOR/IDEX) your company? Claim this page
ALLWEILER (CIRCOR/IDEX)

NAM Serie

ALLWEILER NAM was the predecessor of NIM, widely used on vessels built 1970-2010 as ballast and general-service pump. Replaced by NIM with improved hydraulics and material options. Still in service on >20-year-old fleet.

20-600 m³/h
Capacity
Sea water/fresh water/ballast
Medium

Components & Design

Component data being added…

Technical Data

pump type DIN-standard end-suction centrifugal pump
variant count approx 80
period start year 1970
period end year 2010
drive type Electric
construction DIN 24255 standard, cast iron/bronze
successor series NIM Serie

🤖 Ask about this model

One free question — answered like a marine engineer. No account needed.

Common failures & inspection points

●Mechanical seal leakage common after 8000h in seawater
●Shaft sleeve grooving at seal area
●Wear ring erosion from sand/silt in ballast water
●Bearing wear in older units with grease lubrication

Service & Maintenance

Replace mechanical seal at 8000h. Shaft sleeve inspection at every overhaul. Spare parts via CIRCOR PrimeServ — many parts still available despite end of production.

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

Older NAM pumps: stock complete seal kit, shaft sleeve, wear rings, bearings. Some hydraulic parts now obsolete — refurbishment via specialist workshops common.
Equipment Model #37449 · discontinued