Vacuum Box Testing

Vacuum box bubble testing is one of the safest and reliable non-destructive testing methods. VBT is used in order to locate seam leaks in the welds of storage tanks. A detergent solution is commonly used in this testing method and a vacuum pump is attached to the storage tank. If a leak or fault is detected, there will appear a bubble over the leak.

Vacuum Box Testing can be used on lap welds, shell to annular welds, butt welds, pressure vessels, piping systems, among many others. This method is great as it is capable of immediately locating any leaks. It can also detect the smallest leaks inside a given area.

Ned Marine’s professionals are trained and experienced in vacuum box bubble test methods in accordance with the ASME BPVC code, section V, article 10, Appendix II.

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