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Case Studies

Case Studies


With both our knowledge and our pump range covering a multitude of applications, Castle Pumps have the pleasure of supplying customers in a wide variety of industries, all of which require different standards. To demonstrate our experience across a number of markets we have compiled several interesting case studies. 

Emptying Toilet Waste Onboard Highland Railways - Peristaltic Pumps

Emptying Toilet Waste Onboard Highland Railways - Peristaltic Pumps

Castle Pumps are always on hand to provide a solution to your pumping problems. This company contacted us because their current pumps were not performing as they should and kept getting clogged up. Space was also an issue for this customer, however, we were able to supply an ideal pump for their application which we adapted to minimise the footprint and provide an easy installation process.

Highland Railways - Case Study

Seawater Containing Fish Waste at Fishery - Immersion Pump & Vortex Impeller

Seawater Containing Fish Waste at Fishery - Immersion Pump & Vortex Impeller

Some of the enquiries we receive here at Castle Pumps are straight forward and give us all the information that we need to specify a pump. This fishery company enquired asking us for a specific type of pump and told us the exact fluid and contents that they'd be pumping. This information enabled us to proceed quickly with our recommendation and then onto the manufacture and supply of the pumps.

Fishery - Case Study

Replacement Sludge Pump for Subsea Vessel - Progressive Cavity Pump

Replacement Sludge Pump for Subsea Vessel - Progressive Cavity Pump

Castle Pumps have established a network of manufacturers that they can rely on when they require bespoke or tailored pumping solutions. The customer in this case study required a replacement pump that could be directly installed into existing pipework. Castle Pumps were able to get a pump specially manufactured to match the dimensions of the existing pump, therefore eliminating the need to adapt the installation.

Subsea Oil & Gas Company - Case Study

Seawater Containing Sand for Marine Dredging - Self Priming Centrifugal Pumps

Seawater Containing Sand for Marine Dredging - Self Priming Centrifugal Pumps

Castle Pumps understand that for some companies the lead time on wearing parts is one of the most important factors, and therefore ensuring access to local stock is vital. In this example, we were able to improve on the previous supplier's lead time on spare parts by three weeks. As pump downtime for a dredging company is very costly, the customer was hugely impressed with our service.

Marine Dredging Company - Case Study

Sewage Discharge for Leisure Yacht - Progressive Cavity Pumps

Sewage Discharge for Leisure Yacht - Progressive Cavity Pumps

An engineering company who were refurbishing a leisure yacht needed pumps for the sewage and oily waste water tanks, but were having trouble sourcing surface mounted self-priming pumps that would fit into the allocated space, that would perform the required duties. Castle Pumps came up with a solution and provided them with a unique range of progressive cavity pumps that matched their requirements and delivered them to the engineers in just over four weeks.

Leisure Yacht

Seawater Dredging Pump for UK Company - Self Priming Centrifugal Pump

Seawater Dredging Pump for UK Company - Self Priming Centrifugal Pump

This UK based Marine Dredging company required a self-priming centrifugal pump, in cast iron to save costs, for transferring sea water containing small amounts of sand. We selected a horizontal self-priming centrifugal pump with a cast iron casing and bronze impeller from our CA range, capable of allowing 10% passage of sand content in the sea water.

UK Marine Dredging Company

Seawater Sanitation Onboard a Vessel - Vertical Immersion Pumps

Seawater Sanitation Onboard a Vessel - Vertical Immersion Pumps

Castle Pumps have a wealth of experience supplying pumps to the marine industry, and we ensure that we match the features of the pump to the specific application at hand. This case study demonstrates this, as we knew that for guaranteed reliability for emptying a sump of sea water and waste solids, a pump with vortex non-clogging impellers would be required and the material would be best in bronze to avoid corrosion from the sea water.

Shipping Company - Case Study

Pond Water Containing Silt for Dewatering Contractor - Self Priming Centrifugal Pumps

Pond Water Containing Silt for Dewatering Contractor - Self Priming Centrifugal Pumps

Castle Pumps understand that in some situations the customer has very specific requirements including flow rate performance and drive type that the pump needs to be matched to. Here, a dewatering contractor required an engine driven pump to remove 600m³ of water from a pond in 6 hours. We were able to source the ideal solution for this application, ensuring that two pumps with reliable engines were supplied to prevent the likeliness of downtime.

Dewatering Contractor - Case Study

Ash Laden Waste Water for Power Plant - Vertical Immersion Pumps

Ash Laden Waste Water for Power Plant - Vertical Immersion Pumps

Castle Pumps' specialist knowledge means that they often need to advise customers on what type of pump they need. For example, in this case study, the customer thought that they required a submersible pump, however due to the temperature of the fluid being pumped, Castle Pumps recognised that a vertical immersion pump was a better solution.

Power Plant Architect - Case Study

Mud Transfer for Oil Drilling Company - Progressive Cavity Pumps

Mud Transfer for Oil Drilling Company - Progressive Cavity Pumps

Castle Pumps pride themselves on being as flexible as possible to ensure that they meet the client's requirements. In this example, the customer required a pump with a range of features including ATEX motors, dry run protection and variable speed drives. On top of this, the pump needed to be supplied with counter flanges for immediate installation and supplied within a reasonable time frame; all of which were delivered.

Oil Drilling Company - Case Study

Castle Pumps are fully accredited to enable you to buy with confidence. Our accreditation includes: Our accreditation A division of the CTS Group, Part of Flow Max Ltd.