Sunday, June 22, 2014

Re: [MW:21223] HYDRO TEST

Hydro static Test no doubt,  is  a form of NDT  and is most preferred method to detect a leak  or crack in a vessel under  water
pressure. Other NDT methods  like MPT, DPT are normally done to confirm the extent of damage after leak point has been discovered.

Only water  pressure is allowed for HT. Steam and Air Is not allowed. Hydro itself  means water and for all practical purpose is
 in compressible and the pressure developed by the hydro static pump can be relieved instantaneously by releasing  the very small
 quantity of water which would happen on leak occurring. 
  
C Sridhar.
Technical Adviser - Welding,
for Alsta Pristine Engineering Private Limited,. Bangalore

(A venture of Advance Eng. Training & Inspection Services). Chennai,

Mobile nos: 0 94449 71097, 0 7406 326326.



 

From: mark89 <mayurkotiwar77@gmail.com>
To: materials-welding@googlegroups.com
Sent: Sunday, 22 June 2014 3:01 PM
Subject: [MW:21217] HYDRO TEST

Dear all ,

how can we categorise hydro test ?? is it destructive , non-destructive or application test ? 
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