What is your product standard?
For e.g. if it is produced in acc with SA234, one must specify hydro test as supplementary requirement S54, otherwise it is not mandatory.
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Mohammad Yaghoubi
Sent: Monday, November 24, 2008 12:55 PM
To: materials-welding@googlegroups.com
Subject: [MW:1335] A TECHNHCAL QUESTION AND HELP
DEAR SIR
IF A SPLIT TEE IS PRODUCED ACCORDING TO ASME B31.8 BY THE METHOD OF EXTRUDING THE OUTLET ,IS IT NECESSARY TO DO HYDROSTATIC TEST ON IT BY THE MANUFACTURER , IF YES ,WHAT PARTS ,ONLY OUTLET OR WHOLE OF TEE ,WHAT IS THE STANDARDS AND PROCEDURES , IF NO , WHAT IS THE REFERENCES AND STANDARDS .
TAKE IT IN THE MIND THAT IN MSS SP 75 , WHICH IS A STANDARD FOR BUTT WELDING TEES , HYDROSTATIC TEST IS NOT NECESSARY BY THE MANUFACTURE BUT IT SHOULD BE CAPABLE TO WITHSTAND THE HYDROSTATIC TEST TO 1.5 TIMES OF DESIGN PRESSURE
YOUR HELP TO THE ABOVE QUESTION AND PROBLEM WILL BE APPRECIATED
YOURS FAITHFULLY
MOHAMMAD YAGHOUBI
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National Iranian Gas Company
http://www.nigc.ir
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