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SERVICES

orange squares Expansion Joing Product Testing: Dye Penetration Testing


Objective: This test is performed to insure there are no weld defects such as surface cracking or weld discontinuities before and after forming the bellows.
What we do: The weld surface is thoroughly cleaned and a red penetrant dye is applied to the surface of the weld and allowed to soak for a period of time. The dye is then removed and a white powder is sprayed on the weld surface that performs a blotting action.
After Completion: An indication of the dye with a white background characterizes the weld surface discontinuities of the bellows longitudinal seam weld. This testing before and after the bellows forming process ensures a sound quality bellows seam weld.

 

 

Dye Penetrant Testing Dye Penetrant Testing

 

 

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Contact Us: +1 (281) 241-9418 Toll Free: (855) 591-0906 Fax: +1 (713) 731-8640 sales@usbellows.com
Our Parent Company: Piping Technology Pipe Supports, Pipe Clamps, Pipe Hardware & Insulated Pipe Shoes
Fellow Subsidiaries: Sweco Fab: ASME Vessels, Pig Launchers, Duct Work, Strainers & Spectacle Blinds
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