1. In case of Single PRV
2. In case of multiple PRV
3. In case of fire case PRV
If I remember correctly, in case of single PRV, it is 1.05 times MAWP, in case of multiple, it is 1.10 times MAWP, in case of fire case, it is 1.16 times.
You may refer the relevant section to find more detail.
Regards,
Rakesh
On Sun, 10 Feb 2008 12:38:16 +0300 materials-welding@googlegroups.com wrote
As per aramco project specifications, Test RVs to be set at 5% above test pressure and tested within 1week/1month for new projects/maintenance work, respectively.
regards
On 1/30/08, shailesh dave
Dear Mr Dave
Could you please resend this query with proper subject line? And also in future please don't hit reply button while starting new thread, instead u can create new mail and send to
materials-welding@googlegroups.com
Best regards
Raghuram Bathula
From: shailesh dave [mailto:snd2988@yahoo.com]
Sent: Wednesday, January 30, 2008 1:46 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:537] Re: 533] Filler metal for P 11 (O/L SS 347) to P8
Dear Members,
Can anybody tell me at what pressure of hydrotest be safety relief valve set. What is the reference code.
Regards,
S.N.Dave
QA/QC Manager
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