Transcription of Vacuum Box Test Procedure - bmt-tank.com
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Vacuum Box Test Procedure Date: 8/26/09 Revision: 2 PURPOSE This Procedure will be used to perform Vacuum Box Testing when required by contract or specification. REFERENCE SPECIFICATIONS API 650 Latest edition API 620 Latest edition AWWA D-100 Latest edition Latest edition STI-SP031 Latest edition Procedure SCOPE This Procedure specifies the technique, acceptance criteria and documentation requirements which apply to Vacuum Box Leak Testing. The object of this technique is to locate leaks in welds due to through thickness discontinuities. This is accomplished by applying a solution to a weld and creating a differential pressure across the weld causing the formation of bubbles as leakage gas passes through the solution.
Vacuum Box Test Procedure Date: 8/26/09 Revision: 2 PURPOSE This procedure will be used to perform Vacuum Box Testing when required by contract or
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