Using blind during hydrotest

ashfaqanwer · Post by **ashfaqanwer** » 08 May 2010, 07:54

Hey moe,
Thanks for the useful 2 cents...
What do you say about test blinds made of flat plate and welded to the pipe directly with a groove joint? Are they used frequently at sites?

moe · Post by **moe** » 08 May 2010, 08:27

you're welcome dear,
its not advisable actually it's not permitted to use test blinds as welded or bolted end closures

ashfaqanwer · Post by **ashfaqanwer** » 08 May 2010, 08:32

Can you provide any reference from some code / standard or specification?
Thanks in advance.

moe · Post by **moe** » 08 May 2010, 08:40

B16.21 Non-metallic Flat Gaskets for Pipe Flanges
B16.34 Valves – Flanged, Threaded and Welded End

Using blind during hydrotest

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Re: Using blind during hydrotest