Vertical Centrifugal Pumps - Auxiliary Machinery and Engine Room
Vertical centrifugal pumps are space-saving marine pumps with vertically arranged shafts, commonly installed in engine rooms. They handle seawater, freshwater and other low-viscosity fluids for cooling, ballast, bilge, fire and general-service duties.
ProShipWorks provides end-to-end support to source and supply Vertical Centrifugal Pumps for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
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Product Information
| Product Name | Vertical Centrifugal Pumps |
|---|---|
| Product Category | Auxiliary Machinery and Engine Room |
| Product Reference | 356 |
| Brands / Manufacturers | DESMI, Allweiler, Azcue Pumps |
| Unit of Measure | Piece |
Key Features
| Key Feature |
|---|
| 1. Compact vertical arrangement reduces deck-space requirements |
| 2. In-line suction and discharge connections simplify piping |
| 3. Available with seawater-resistant bronze or stainless-steel components |
| 4. Mechanical shaft seals are commonly used |
| 5. Suitable for continuous engine-room auxiliary service |
Applications of Vertical Centrifugal Pumps
| Application |
|---|
| 1. Main and auxiliary engine cooling-water circulation |
| 2. Ballast, bilge and general-service water transfer |
| 3. Fire-main, seawater and freshwater supply |
Models & Manufacturers
| Model | Manufacturer |
|---|---|
| NSL | DESMI |
| NI | Allweiler |
| LN | Azcue Pumps |
Technical Specifications
| Model | Specification | Value | Unit |
|---|---|---|---|
| DESMI NSL | Pump configuration | Vertical in-line centrifugal pump | — |
| DESMI NSL | Typical pumped media | Seawater, freshwater and other low-viscosity liquids | — |
| Allweiler NI | Pump configuration | Vertical in-line centrifugal pump | — |
| Azcue LN | Pump configuration | Vertical in-line centrifugal pump | — |
Standards, Certifications & Class Approval
Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.
| Applicable Standards & Certification | Design and testing may follow ISO 2858, ISO 5199, ISO 9906 or equivalent DIN/EN standards, depending on model. Fire-service installations must meet applicable SOLAS, flag-state and class requirements. Certification is manufacturer-, duty- and vessel-specific. |
|---|---|
| Class Approval | Marine pumps may be supplied with type approval or product certificates from DNV, ABS, Lloyd's Register, Bureau Veritas, ClassNK or other societies. Approval availability depends on manufacturer, material, duty and specified certification scope. |
Installation, Maintenance & Safety Information
| Installation Notes | Mount on a rigid, level foundation and align connected piping without imposing nozzle strain. Confirm flow direction, provide adequate suction head, vent and prime the casing, and verify motor rotation before operation. Install isolation valves, a suction strainer and gauges where required. |
|---|---|
| Maintenance Tips | Inspect mechanical seals, bearings, coupling, vibration and leakage regularly. Clean suction strainers, monitor pressure and flow, lubricate bearings as specified, and check the impeller and casing for corrosion, erosion or marine growth. |
| Safety Notes | Isolate electrical power and apply lockout/tagout before maintenance. Close and depressurize connected lines, drain hazardous or hot liquids, and never run the pump dry. Use corrosion-resistant materials suitable for seawater and follow confined-space and engine-room procedures. |
Request a Quote for Vertical Centrifugal Pumps
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