BELZONA HELPS FIRE PUMP PERFORM AGAIN

KHIA ID: 6403
Industry: Marine (MRNE)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Bronze
Customer Location: Portland, OR
Application Date: December 2016
Products:

Belzona 1111 (Super Metal)

Belzona 1131 (Bearing Metal)

Belzona 1341 (Supermetalglide)


Problem: Impeller had suffered heavy cavitation and erosion due to contact with salt water.
Photograph Descriptions

1. Bronze pump impeller grit blasted and showing damage.

2. Eroded areas rebuilt with Belzona 1111

3. Impeller coated with Belzona 1341

4. Belzona 1131 applied to wear ring area

Application Situation
Bronze Fire pump impeller on a US Navy Ship
Application Method
The application was carried out in accordance with a modified version of Belzona System Leaflet CEP-3. Cavitated and eroded areas were rebuilt with Belzona 1111. The impeller was then coated with two coats of Belzona 1341 by brush; grey base coat, followed by a blue top coat. Critical wear ring area was rebuilt with Belzona 1131.
Belzona Facts
Not only is this impeller ready for service again, it will perform better than ever with Belzona 1341 providing a performance increase by improving the efficiency of the pump. The pump impeller is also protected from the damaging nature of seawater. Belzona 1131 provides a self lubricating surface on the wear ring area.