Seawater Pump Refurbishment: A Case Study

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Marine Seawater Pump

11th October 2024

A marine seawater pump refurbishment was required in Portugal due to significant internal abrasion and external corrosion. The customer needed a solution to restore both the internal and external surfaces, ensuring long term protection and avoiding the high cost of replacing the pump. The goal was to extend the operational life of the pump while minimising future maintenance expenses.


Resimac’s Marine Seawater Pump Refurbishment Solution

  • Abrasive blasting of internal and external surfaces to ISO 8501/4 SA 2.5 (SSPC SP 10/NACE 2) standards to ensure an optimal surface profile.
  • Rebuilding internal pitted sections with Resimac 201 Ceramic Repair Paste.
  • Applying two coats of Resimac 202 Ceramic Repair Fluid to protect internal surfaces from future abrasion and erosion.
  • Treating external surfaces with two coats of 501 CRSG to provide long lasting corrosion resistance.

Application Details

The internal and external surfaces of the marine seawater pump were abrasive blasted to achieve a 75-micron surface profile. Internal pitted sections of steel were rebuilt using Resimac 201 Ceramic Repair Paste, which was applied to fill and restore damaged areas. Following the repair, two coats of Resimac 202 Ceramic Repair Fluid were applied to the internal surfaces using a brush, each at a nominal thickness of 350 microns, providing robust abrasion resistance. To combat external corrosion, two coats of 501 CRSG were applied to the pump’s exterior, ensuring protection in harsh marine conditions.


Products Used


Results and Benefits

The marine seawater pump refurbishment effectively protected the pump from further abrasion and corrosion, extending its service life. This cost effective solution helped the customer avoid an expensive pump replacement, reducing both operational downtime and long term maintenance costs. This successful refurbishment demonstrates Resimac’s commitment to delivering reliable, long lasting solutions that help clients reduce costs and maintain operational efficiency in challenging environments.


Get in Touch

If you need help with a similar issue please contact Resimac and our team of experts will be happy to help. Get in touch.

Tel: +44 (0) 1845 577498
Email: info@resimac.co.uk


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Get in Touch

If you need help with a similar issue please contact Resimac and our team of experts will be happy to help.

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