Protecting coarse water filter vessel against sea water damage with Corroglass 600 Series and Polyglass VEF

1. Case study: Coating of a coarse water filter vessel
Protecting components against sea water damage.
Client
Oil & gas industry.
Application date
September 2007.
Scope of work
Internals of new vessel protected against sea water
damage using Corroglass 600 Series and Polyglass VEF.
Rebate flanges to protect against crevice corrosion.
Terminate coating on steel rings.
Products
Polyglass VEF.
Plasmet ZF/Corrothane AP1.
Substrate
Carbon steel.
Internal coating system
Grit blasted internally to ISO 8501 - Cleanliness
Standard SA 21/2.
Coated internally using Corroglass 600 Series/
Polyglass VEF to a minimum 1.25mm DFT.
Thickness checked. Spark tested at 19Kv.
Flange faces rebated and coated to prevent
crevice corrosion.
External coating system
Grit blasted externally to ISO 8501-1 – Cleanliness
Standard SA 2.
Applied two coats of Plasmet ZF with a topcoat of
Corrothane AP1.
Coating credentials
Polyglass VEF has a proven track record protecting
components against sea water damage. Many projects
completed by Corrocoat for use within a sea water
environment are still working well after more than
25 years in service.
Photographs
Left: The new vessel, uncoated.
Middle: Vessel coated internally and stripe coated
externally in preparation for top coat.
Right: Vessel externals coated with first full coat of
Plasmet ZF.
Corrocoat Ltd, Forster Street, Leeds LS10 1PW Tel +44 (0) 113 276 0760 Fax +44 (0) 113 276 0700 www.corrocoat.com