In recent years, at the plant that I worked for, we use PTFE fluorocarbon coated as the standard coating for fasteners. Even for aboveground application, I observed that all the fasteners started to corrode after 1 year, although not excessively. Therefore, I am not confident it will not corrode...
TugboatEng, thank you for the feedback. Will look into aluminium bronze. Do you happen to know if stainless steel fastener is also able to tolerate direct burial?
Hi Fellow Pipers,
Anyone had experience with glass fibre reinforced (GRE) flange joint that buried underground? What is the additional protection that should be applied on the flange joint other than the normal coating. Is wrapping required, which I normally practice for underground carbon...
Thank you all for the feedback. Appreciate it much. For now, we may implement NDT for in service piping. For new system, we may perform NDT in the case of failed hydrotest.
I checked with local NDT Contractor, they are able to do it, but we need to provide a reference sample and establish the...
@LittleInch, Thank you for the very good reference. Will look into it in details.
@EdStainless, so we can agree here this is something that still in research mode, is it?
@MJCronin, the vendor does not have any experience on NDE.
I would like to implement this in my project, but somehow...
Hi all, this is my first post here.
I would like to ask if anyone have the experience with Radiography and Ultrasonic Examination for Glass-Fibre Reinforced Plastic Piping System. ISO 14692-4 Table A.1 had specified Radiography and Ultrasonic Examination as potential NDE methods to check for...
