Case Study

Corrosion Protection For Fan Unit



Client

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, ccarried 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.

Industrial Fan Unit Corrosion Protection

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