Rubber Impeller damage

Rubber Impeller damage from Marine Diesel Basics

2 Comments

  1. Adam R on December 4, 2018 at 2:53 am

    why this type of impeller installed for generator sea water cooling became defective very quickly, sometimes in space of less than 6 months? any tips to prolong is lifespan?

    • Dennison on December 5, 2018 at 11:01 pm

      There can be several reasons:
      – lack of water flow, or delayed flow (if pump has to reprime itself) on each start-up
      – lack of a strainer before the pump, allowing small debris to flow through the system
      – operating in sandy water
      – occasionally, manufacturing defects

      Do you think any of these may apply?

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