Centrifugal Pumps - Auxiliary Machinery and Engine Room
Marine centrifugal pumps transfer clean or lightly contaminated liquids using rotational energy from an impeller. They are widely used as engine-room auxiliaries for seawater cooling, freshwater circulation, ballast, bilge and general-service duties.
ProShipWorks provides end-to-end support to source and supply Centrifugal Pumps for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.
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Product Information
| Product Name | Centrifugal Pumps |
|---|---|
| Product Category | Auxiliary Machinery and Engine Room |
| Product Reference | 35 |
| Brands / Manufacturers | DESMI, Azcue, Allweiler |
| Unit of Measure | Piece |
Key Features
| Key Feature |
|---|
| 1. Continuous, non-pulsating liquid flow |
| 2. Horizontal or vertical in-line configurations |
| 3. Cast iron, bronze or stainless-steel wetted parts |
| 4. Mechanical seal or packed-gland shaft sealing |
| 5. Electric-motor or engine-driven arrangements |
Applications of Centrifugal Pumps
| Application |
|---|
| 1. Main and auxiliary engine cooling-water circulation |
| 2. Ballast, bilge and general-service pumping |
| 3. Seawater, freshwater and fire-main service |
Models & Manufacturers
| Model | Manufacturer |
|---|---|
| NSL | DESMI |
| LN | Azcue |
| NB | Allweiler |
Technical Specifications
| Model | Specification | Value | Unit |
|---|---|---|---|
| NSL | Pump configuration | Vertical in-line centrifugal | — |
| LN | Pump configuration | Horizontal end-suction centrifugal | — |
| NB | Pump configuration | Horizontal end-suction centrifugal | — |
| NSL | Maximum flow rate | 1800 | m3/h |
| NSL | Maximum differential head | 220 | m |
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 | Common reference standards include ISO 2858 for end-suction pump dimensions, ISO 5199 for technical requirements, ISO 9906 for hydraulic acceptance testing and IEC standards for electric motors. Applicable standards depend on pump design and vessel requirements. |
|---|---|
| Class Approval | Marine pumps may be supplied with type approval or product certificates from DNV, ABS, Lloyd's Register, Bureau Veritas, ClassNK or other IACS members. Approval is manufacturer-, model-, material- and duty-specific and must be verified for the selected pump. |
Installation, Maintenance & Safety Information
| Installation Notes | Install on a rigid, level foundation with correct coupling alignment and independently supported piping. Provide suction isolation, a strainer where required, discharge isolation and a non-return valve. Prime and vent the casing before starting; never run a non-self-priming centrifugal pump dry. |
|---|---|
| Maintenance Tips | Inspect seals, bearings, coupling alignment, vibration and leakage regularly. Clean suction strainers, verify operating pressure and flow, lubricate bearings as specified, and check the impeller and casing for corrosion, erosion, fouling or cavitation damage. |
| Safety Notes | Isolate electrical power and apply lockout/tagout before maintenance. Depressurize, drain and cool the pump before opening it. Confirm chemical compatibility, keep guards fitted, avoid dry running and do not operate against a closed discharge longer than permitted by the manufacturer. |
Request a Quote for Centrifugal Pumps
Contact ProShipWorks for marine or industrial product sourcing, quotations and delivery.
- Vessel name and IMO number
- ETA / vessel schedule
- Berth or vessel location
- Required quantity
- Preferred delivery window
- Shipping agent contact details
Other Auxiliary Machinery and Engine Room Products
Explore our range of marine and industrial Auxiliary Machinery and Engine Room products available for sourcing and supply through ProShipWorks.
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