‘CLA-VAL’ NGE 400, 200 & 100 HYTROL
VALVE BODIES
CLIENT
Major valve supplier to the South African Water Industry
REHABILITATION DATE
August 2010
PRODUCTS
Rebuilt using CORROGLASS 600 Series, (632 & 602), plus FLUIGLIDE for increased fluid efficiency
SCOPE OF WORK
Decontamination, surface preparation and internal
rehabilitation following erosion & cavitation damage
SUBSTRATE
Cast Iron
COATING SYSTEM
- Multiple abrasive blast cleaning and metallic salt decontamination cycles using CHLOR*RID until levels of residual metallic salt levels are within acceptable limits.
- Application of CORROCOAT CORROGLASS 600 Series, comprising:-
- Corroglass 632 Primer followed by the application of Corroglass 602 ‘Putty-grade’ material to re-build the lost cast iron using proprietary application techniques & materials, to original specification.
- High-voltage spark testing conducted for QC/QA verification purposes.
CORROCOAT CREDENTIALS
Owing to Corrocoat’s 35 years of Research & Development expertise, coupled with the finest specialist lining and coating materials available in the world, Corrocoat SA, part of the global Corrosioneering Group, have the expertise and materials to rehabilitate even the most severely damaged components and equipment.
The NGE Hytrol Valve Bodies would under normal circumstances be scrapped, necessitating further capital expenditure to replace them. However, rehabilitation of damaged equipment, from corrosion mechanisms such as cavitation damage, is core-competency for Corrocoat SA, a member of global Corrosioneering Group of more than 47 Corrocoat Branches in 30 Countries around the world.
