coating of a coarse water filter vessel

Case study: Coating of a coarse water filter vessel

Protecting components against sea water damage.

ClientOil & gas industry.

Application dateSeptember 2007.

Scope of workInternals of new vessel protected against sea waterdamage using Corroglass 600 Series and Polyglass VEF.Rebate flanges to protect against crevice corrosion. Terminate coating on steel rings.

ProductsPolyglass VEF.Plasmet ZF/Corrothane AP1.

SubstrateCarbon steel.

Internal coating systemGrit blasted internally to ISO 8501 - CleanlinessStandard 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 systemGrit blasted externally to ISO 8501-1 – CleanlinessStandard SA 2.Applied two coats of Plasmet ZF with a topcoat ofCorrothane AP1.

Coating credentialsPolyglass VEF has a proven track record protectingcomponents against sea water damage. Many projectscompleted by Corrocoat for use within a sea waterenvironment are still working well after more than 25 years in service.

PhotographsLeft: The new vessel, uncoated.Middle: Vessel coated internally and stripe coatedexternally in preparation for top coat.Right: Vessel externals coated with first full coat ofPlasmet ZF.

Corrocoat Ltd, Forster Street, Leeds LS10 1PW Tel +44 (0) 113 276 0760 Fax +44 (0) 113 276 0700 www.corrocoat.com