Protection of Pump Impeller from Seawater Service

KHIA ID: 9192
Industry: Oil & Gas (OILG)
Application: CEP-Centrifugal Pumps (CEP)
Substrate: Carbon steel
Customer Location: Dhahran
Application Date: July 2023
Products: Belzona 1341 (Supermetalglide)

Problem: The impeller was exposed to corrosion due to unfiltered seawater as the pump medium. The customer needed a coating that could prevent corrosion and increase pump efficiency.

Before application

Close up of impeller vanes

Fully coated impeller for protection

Another angle for completed application

Application Situation
Belzona provides long-term corrosion protection and improved efficiency. No other coating could provide the two properties that the customer expected.
Application Method
Grit blasting with a surface profile of 75 microns and a cleanliness of Sa2.5. Application was carried out in accordance with Belzona Know-How System Leaflet CEP-3 with two coats of Belzona 1341 according to the IFU.
Belzona Facts
Belzona 1341 contributed to improved pump efficiency and long-term protection of the equipment.