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- since 1996 -

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Technical Discussions
Mohamed Nassef
Mohamed Nassef
17:39 Aug-22-2009
inspection of double hull cryogenic pressure vessel

Can anyone help in inspection of double hull cryogenic pressure vessel. between the two walls ( inner and outer) lies a vacum layer.

    
 
 
Raghawendra
Director,
Gulachi Engineers Pvt. Ltd., India, Joined Oct 2002, 1

Raghawendra

Director,
Gulachi Engineers Pvt. Ltd.,
India,
Joined Oct 2002
1
14:34 Aug-23-2009
Re: inspection of double hull cryogenic pressure vessel
In Reply to Mohamed Nassef at 17:39 Aug-22-2009 (Opening).

what is the purpose of your inspection dear?

    
 
 
S.V.Swamy
Engineering, - Material Testing Inspection & Quality Control
Retired from Nuclear Fuel Complex , India, Joined Feb 2001, 787

S.V.Swamy

Engineering, - Material Testing Inspection & Quality Control
Retired from Nuclear Fuel Complex ,
India,
Joined Feb 2001
787
17:54 Aug-23-2009
Re: inspection of double hull cryogenic pressure vessel
In Reply to Mohamed Nassef at 17:39 Aug-22-2009 (Opening).

Ultrasonic Wall thickness, Visual Testing, PT if indicated at specific spots, Spot metallography if indicated... one can do many things but generally such vessels are built to specific codes and so you have enough guidance to follow.

Best regards.

Swamy
Quality and NDT specialist

    
 
 
nde@gmail.com
nde@gmail.com
20:50 Aug-23-2009
Re: inspection of double hull cryogenic pressure vessel
In Reply to S.V.Swamy at 17:54 Aug-23-2009 .

not forget pneumetic testing..

    
 
 
John O'Brien
Consultant, -
Chevron ETC , USA, Joined Jan 2000, 278

John O'Brien

Consultant, -
Chevron ETC ,
USA,
Joined Jan 2000
278
03:07 Aug-24-2009
Re: inspection of double hull cryogenic pressure vessel
In Reply to Mohamed Nassef at 17:39 Aug-22-2009 (Opening).

Can you provide more detail? is this really a pressure vessel or a tank? If its cryogenic service why do you want to inspect? Defining the true reason for inspection will then potentially determine what if anything you need to do.

Internally there may be no degradation mechanism - so you may not need to inspect. Externally is it aboveground or buried? These questions all dictate what you may nee dto do.

    
 
 
chen zhiqiang
chen zhiqiang
06:36 Aug-24-2009
Re: inspection of double hull cryogenic pressure vessel
In Reply to S.V.Swamy at 17:54 Aug-23-2009 .

in general testing is helium testing to testing leakage or not.

    
 
 

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