Case Study: CC029: Hamworthy pump casing


Holderness Ship Repairers.

Application Date

June 2003

Scope Of Work

Refurbishment and coating of Hamworthy pump casing.


Cast bronze.

Application Method

• Grit blasted internally to ISO 8501-1 cleanliness
standard SA 21/2.
• Grit blasted externally to ISO 8501-1 cleanliness
standard SA 2.
• Applied internally Corroglass 600 Series to achieve a
minimum dft of 1.5mm. Spark Tested and Thickness
Checked at 19kv.
• Applied externally two coats of Plasmet ZF followed
by a top coat of Sigmafast Enamel (white).

Coating credentials

Corroglass 600 Series. A series of three coatings
formulated with glass flake and top grade vinyl ester
resin with a low monomer content, Corroglass 600
Series coatings offer outstanding resistance to solvent
attack and chemical attack, as well as being suitable for more general use such as demineralized water, distilled water and sea water applications.
Armagel is a durable coating offering excellent abrasion and chemical resistance. May be used on its own or as a top coat for the Corroglass and Polyglass range of materials.


Left: Hamworthy pump casing on arrival in our works
Middle: Hamworthy pump casing during coating
Right: Hamworthy pump casing on completion