"> Sulzer Pumps Sulzer GSB 25/32
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Sulzer Pumps

Sulzer GSB 25/32

Sulzer Pumps Sulzer GSB 25/32 is identified in the source list as a centrifugal pump. It is normally installed in an engine room, pump room or machinery-space piping system close to the circuit it serves. Its purpose is to move a continuous liquid flow through shipboard cooling, bilge, cargo-support or other auxiliary systems by converting impeller rotation into fluid pressure and velocity. The existing record identifies bilge duty for this pump. The centrifugal hydraulic element depends on adequate suction conditions, correct rotation and clear flow passages; the exact casing, impeller and priming arrangement are model-specific. The exact model designation and any source-listed power, medium or duty distinguish this unit from neighboring pump sizes; refer to the manufacturer documentation for the exact flow, head and material data.

Components & Design

Component data being added…

Technical Data

pump type centrifugal
flow rate m3h 25
head m 32

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Common failures & inspection points

●Cavitation or suction starvation caused by blocked strainers, air ingress, low liquid level or excessive suction losses, resulting in noise, vibration and reduced delivery
●Shaft-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 internal hydraulic wear caused by corrosion, erosion or deposits, resulting in reduced capacity and efficiency
●Coupling, motor or drive problems caused by misalignment, looseness or electrical faults, resulting in vibration, abnormal load 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 drive load where available. Verify the pump is correctly primed or flooded as required and that no persistent air ingress is present. Check for shaft leakage, abnormal bearing temperature and deterioration of coupling elements. Inspect the hydraulic parts when performance declines or internal damage is suspected. Refer to the manufacturer documentation for 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 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 #75857 · ✓ still in production