"> Ebara Marine Ebara 3M 5/19
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Ebara Marine

Ebara 3M 5/19

Ebara Marine Ebara 3M 5/19 is identified in the source list as a fire pump. Depending on whether it is a main or emergency unit, it is installed in a machinery space or in the vessel's designated independent emergency-pump location and connected to the fire main. Its purpose is to supply firefighting water to hydrants and other connected fire-main consumers when required. The existing database record identifies fire-service duty for this pump. Reliability, independent availability where required and rapid readiness are more important than routine continuous operation. The exact model designation distinguishes this unit from adjacent sizes or hydraulic selections in the same pump family; nozzle size, impeller trim and performance must not be inferred from the name alone.

Components & Design

Component data being added…

Technical Data

pump type multistage centrifugal
flow rate m3h 5
head m 19

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Common failures & inspection points

●Cavitation caused by insufficient suction head, blocked strainers or excessive suction losses, resulting in crackling noise, vibration and reduced delivery
●Mechanical-seal or gland leakage caused by wear, misalignment or damaged sealing faces, resulting in visible leakage around the shaft
●Bearing deterioration caused by poor lubrication, contamination or misalignment, resulting in increased noise, vibration or bearing temperature
●Impeller or casing erosion and fouling caused by abrasive solids, corrosion or deposits, resulting in reduced capacity and efficiency
●Coupling or drive problems caused by misalignment, looseness or motor faults, resulting in vibration, abnormal current draw or failure to reach normal speed

Service & Maintenance

Inspect suction strainers, valves, seals, bearings, coupling alignment, foundation bolts and visible casing condition. Trend suction and discharge indications together with vibration, noise and motor load where available. Verify that the pump is properly vented or primed before operation and that no persistent air ingress is present on the suction side. Check for shaft leakage, abnormal bearing temperature and deterioration of flexible coupling elements. Inspect the impeller and casing when performance declines or internal damage is suspected. Refer to the manufacturer documentation for the exact clearances, alignment criteria and wear limits.

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Replacement Parts

Keep shaft-sealing components, bearings, coupling elements, casing or cover gaskets and the pump-specific wear parts recommended by the manufacturer. For critical service, an impeller or rotating assembly may be appropriate depending on redundancy and onboard repair capability. Confirm all parts against the exact pump model and serial number.
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Equipment Model #76888 · ✓ still in production