NASA NTRS · 19690000396
Pressure-control purge panel for automatic butt welding
Abstract
Modification of a purge panel for use in an automatic butt weld reduces the drop in pressure between the regulators and the weld head and tube purge fitting. The invention affects air regulators for plants, regulating circuits for pneumatic valves, and automatic welding machines.
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Lang, E. J., Van Wagner, B. H.. 1969-09-01. Pressure-control purge panel for automatic butt welding. https://ntrs.nasa.gov/citations/19690000396
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