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Past projects

Read our marine case studies

To demonstrate our experience in working with customers in the marine industry, we have put together a range of interesting case studies on projects we have dealt with in the past. Reading these examples will give you an insight into the multitude of applications for which we specify and supply pumping solutions, and the wide range of types of companies in the offshore market that we deal with. 


Screw Pump

Screw pump for cargo boosting on board an asphalt carrier

Japanese ship yard were building a new asphalt carrier and required a cargo booster pump for installing on the ship's deck, and had to be able to handle asphalt at temperatures as high as 200°C.

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Patrol boat fuelling station

Long Coupled Centrifugal Pumps

Long coupled centrifugal pumps for refuelling patrol boats

7 pumps were required for transferring kerosene, diesel & petrol from storage tanks directly into patrol boats at a newly built fuelling station on the coast of Malta, in a salt laden atmosphere.

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Shipping company

Vertical Immersion Pump

Vertical immersion pumps with vortex impellers for sea water sanitation

UK based shipping company were upgrading their sea water sanitation system and required 2 reliable pumps able to handle soft waste solids within the sea water sump on board.

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Subsea oil & gas company

Progressive Cavity Pump

Progressive cavity pump for pumping sludge

A replacement sludge pump was required that the previous manufacturer could no long supply and therefore a replacement had to be found that was the same dimensions and duty.

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Marine dredging company

Self Priming Centrifugal Pump

Self-priming centrifugal pump for sea water with sand content

A pump was required that was able to handle sea water containing small amounts of abrasive sand whilst also sticking within the client's tight budget constraints.

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Offshore oil & gas company

Vertical Inline Centrifugal Pump

Vertical inline centrifugal pump for fire fighting system

An offshore oil & gas vessel needed its fire fighting system upgrading and required a self priming sea water pump certified to a marine standard.

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      Castle Pumps are fully accredited to enable you to buy with confidence. Our accreditation includes:

Our accreditation