NASA NTRS · 19760000546
Flange weld pressure testing
Abstract
Device allows localized high-pressure proof test. Use of tool eliminates need to block off far end of pipe; only small amount of pressurizing gas is needed; only small area needs to be cleared of personnel for proof test.
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Holden, C. F.. 1977-03-01. Flange weld pressure testing. https://ntrs.nasa.gov/citations/19760000546
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