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What is the difference between stay 1

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gh61

gh61

Mechanical
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May 25, 2016
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What is the difference between stayed and unstayed dished heads ? (ASME)
 
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Well,

"Stayed" FLAT heads are sometimes encountered in fire tube boilers and certain large diameter, low pressure vessels.

Unstayed dished heads are perhaps 99.99% of all installations..

"Stayed" dished heads are only rarely encountered by the investigating authorities at the site of the explosion...

My opinion only



MJCronin
Sr. Process Engineer
 
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In over 50 years I have never seen a stayed dished head. Even when there are rules does not mean it should be built.
 
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gh61, trying to help here. You do know what a "stay" is, right?

Regards,

Mike

The problem with sloppy work is that the supply FAR EXCEEDS the demand
 
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