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COATING ON THE GASKET SURFACE OF THE CHANNEL HEAD

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MK_666

Mechanical
Joined
Jul 24, 2017
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1
Location
CA

Any body will recommend coating on Gasket Seating Surface (GSS). Actually I had been told, perform coating on GSS after machining (150-225 RMS)the surface. After coating the whole surface from inside and GSS; another machining is being recommended for serrations on GSS. Though serration was already there at the time of 1st machining. What will be the reasonable practice.thanks
 
MK_666, what is coating for, corrosion resistance?

You best bet would be to contact the coating manufacturer, I have seen some systems that use a thick (~50 mil) film, some that use a thin (~10 mil) film on gasket surfaces. As well, the gasket should be selected for compatibility with a coating.

Regards,

Mike

The problem with sloppy work is that the supply FAR EXCEEDS the demand
 
May clarify the instruction of the repeat machining of the GSS, which didn't make any sense.
 
Try with a mock up.

Regards
r6155
 
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