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Water composition for hydrotest

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andygo11

Materials
Feb 15, 2013
20
Hi, I have a question regarding the hydrotest water. Is there any codes or practice we can follow in terms of the water used for hydrotest? How to prevent the potential corrosion issue? Thanks.
 
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Have you searched eng-tips? This has been discussed a number of times before.

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P.E. Metallurgy, Plymouth Tube
 
50 microns seems to be a rule of thumb for maximum acceptable particle size for hydro test water (at least for carbon steel). I have researched unsuccessfully (including Eng-Tips) the technical basis for this magic number. Does anyone know where the 50 microns come from? ... your feedback is much appreciated.
 
Don't know the answer but the smallest sand size is approximately 50 microns.
 
Dhurjati, DEP 31.40.40.38 seems to be a Shell document. Do you know how I can get it?; I searched the Internet for a download site and could not find any.

Regards, Alberto Valdes
 
Dear Alberto,

Shell DEPs are not available for free. You (your company) need to buy it.

Regards.

DHURJATI SEN
 
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