Client: Corrosion Protection Fan Unit

General industry, UK.

Application date

2003.

Scope of work

Protection of new impeller and casing, designed for use in aggressive conditions.

Products

Internals: Corroglass 600 Series.
Externals: Plasmet ZF.

Substrate

Carbon steel.

Coating system

• Internal: The impeller was grit blasted to ISO 8501-1, SA 21/2 and treated using Corroglass 600 Series materials.
• The casing was grit blasted internally to the same standard, followed by application of Corroglass 600 Series to a minimum dry film thickness of 1mm, carried into the flange rebates and finished flat to ensure optimum performance in use
• External : The area was grit blasted to SA 2 and
protected using two coats of Plasmet ZF.

Coating credentials

This particular unit was developed for use at a duty incorporating 1% hydrochloric acid, 500ppm monochlorobenzene and moist air at 30ºC, operating
at a maximum of 1339rpm and requiring additional protection against corrosion attack. Using Corrocoat’s Engineering facilities the impeller was fully balanced to BS6861-pt1.