Belzona Provides Better Protection for Seawater Pipe Spools

KHIA ID: 9531

Industry: Oil & Gas (OILG)
Application: VPF-Valves, Pipes and Fittings (VPF)
Substrate: Stainless-steel

Customer Location: Qatar (Offshore)
Application Date: September 2015

Products: Belzona 1331

Problem: As internal coating failures could cause severe erosion and catastrophic damage, existing pipelines had to be replaced with newly protected lines,

Internal surface prepared by grit blasting to achieve the minimum requirement of Sa2.5

Surface profile measurement and salt testing after blasting

Wet film thickness checked during coating application

Completed application

Application Situation

The two newly fabricated spools are internally coated by a spin-spray machine with Belzona 1331 as an protective lining, which is recommended and approved for internal lining, instead of using the existing lining material.

Application Method

The application was carried out in accordance with Belzona Know-How system leaflet VPF-2.
A spin spray machine was used for the applicaion. The machine was introduced to the client to carry out a mock up demonstration with a relevant coating integrity tests, and the client was really amazed with the outcome.

Belzona Facts

Belzona 1331 has excellent erosion-corrosion resistance. It is a spray friendly material as it contains no ceramic fillers. It is also suitable for robotic spray applications on pipe inner surface linings due to its sag-resistance of up to 1500 microns in a single pass.
The application took place in September 2015 and according to the client's review, the spools have been operating in good conditions to date, but the line can only be shut down for inspection 10 years after the installation.

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