Sunday, April 28, 2013

Re: [MW:17582] Hydrotest pressure criteria

Hi avisek..
Thnx for reply.. but I wud like to further clarify my question. Its dat I want to know as wat is the base on which this 1.5 times or 1.25 times r fixed? Not in terms of new or old equipments but y 1.5 times.. y not 2 times or 1.4 times or 1.2 times. Y dey have fixed the values to that no. only.. wats d basis??
Well its written in code is not the answer m looking for..

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From: Avishek Dubey <avishek3889@gmail.com>;
To: <materials-welding@googlegroups.com>;
Subject: Re: [MW:17574] Hydrotest pressure criteria
Sent: Sun, Apr 28, 2013 7:22:22 AM

nishant when we conduct the hydro test for the first time we go for 1.5 times the rated pressure and there after we go for 1.2 times rated pressure


On Sat, Apr 27, 2013 at 4:32 PM, nishant nair <nishant852003@yahoo.com> wrote:

Why hydrotest pressure is taken 1.3 times of design pressure? What is the criteria that fixes the term 1.5 times or 1.25 times, etc.???

Thanks in advance,
Nishant nair
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