Corrosion & Painting

[Ali Al-Zawamri]

Dear,

We are facing a lot of corrosion and rusting in our plant.

Please give your advices on the following:-

• Best surface preparation where sand plasting can not be done.
• Best painting to be used in high humid areas and where surface preparation can not be done by sand plasting?
• After repairs and painting, rusting will take place within one year.

Your input will be highly helpful.

Regards

[Addil Yusaf]

Hello Dear,

I think so you need to have HVOF high velocity oxygen fuel coating on those equipment's. It will be expensive but surely it can resist wear & tear done by sand. You can check more details. This is modern technique of painting may be the best one also.

Regards,

Addil Yusaf   

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Mechanical Engineer 

Daewoo Enginnering & Construction.

Patrind Hydro Power Project Pakistan.

Contact Number : 03448834732

[Jian Xu]

Dear,

 

Depend on your description, I can't tell which degree of corrosion in your plant, but I try to give you some advices.

 

First, try to find the root cause about corrosion, such as, whether it is materials selection issue, or the plant locate in coast, or not good insulation work, etc.

 

Second, according to accurate root cause, plant decide to do painting. Then, you should find the qualify supplier of painting, also, selection proper coating and  construction process is based on process service condition. So, clarify meeting of cross-displinary is necessary!

Good luck!

 

Leon

[nithind...@gmail.com]

Hi,

Since it is a humid condition, you can get the surface preparation done with water blasting machines. For persisting corrosion you need to carry out RCA.

Sent from my iPhone

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