KHIA headerKnow-How in Action


Belzona® Improves Efficiency Of A Fire Truck



Transport (TRAN)



Centrifugal Pumps (CEP)


Customer Location:

Northeastern Washington, USA


Application Date:

July 2015


Application Situation:

Suction pump on a fire truck.



Cavitation on the cut-water in the pump.



Belzona 1311 (Ceramic R-Metal)

Belzona 1341 (Supermetalglide)



Cast iron


Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflets CEP-1 and CEP-3. The surface was grit blasted for preparation and Belzona 1311 applied to repair the cavitation damage, then Belzona 1341 was applied for protection and improved efficiency.


Belzona Facts:

The alternative was to purchase a new pump for several thousand dollars. This pump was repaired and coated with US$550 worth of material. This is the second pump this fire department has repaired and coated. These pumps pump 1000 gpm. Prior to coating the pump ran at 1750 rpm to pump 1000 gpm. After coating, the pump only runs at 1600 rpm to pump 1000 gpm.


Photographs Description

  1. Cavitation damage / Repaired cavitation damage
  2. Coated cut-water / Coated end plate
  3. Pre testing from the first pump showing 1750 rpm
  4. Post testing from the first pump showing 1600 rpm
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


For more information about Belzona visit: