| Sea Water Pumphouse |
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THE APPLICATION
Six split-case centrifugal pumps providing seawater for the Astute Class Nuclear Submarine testing facility. |
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THE PROBLEM
- High concentration of sandy seawater
- Long periods of redundancy
- Operating parameters of 43,000 l/min
- Long history of problematic operation and difficulties in maintenance
THE SOLUTION
A modified vertical upgrade split-case centrifugal pump - designed, supplied, installed and commissioned by NW Pump and Valve Ltd, with ongoing data monitoring programme. |
| Above: existing pump |
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| Replacement pump in position |
Above & right: Replacement pump in transit |
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BENEFITS
- Superior hydraulic efficiency leading to longer working life
- Minimal pipework and civil work
- Axially split casing allows the rotating element to be removed without disturbing the pipework, reducing maintenance
- Standardised, modular shaft and bearing cartridge arrangement minimises spares holding requirement
- Renewable casing wear ring allows pump efficiency to be easily maintained, minimising through-life costs
- Cartridge bearings and seals can be removed without disturbing the pump casing
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| Replacement 365kw motor |
