NASA NTRS · 19880000054
Swivel Joint For Liquid Nitrogen
Abstract
Swivel joint allows liquid-nitrogen pipe to rotate through angle of 100 degree with respect to mating pipe. Functions without cracking hard foam insulation on lines. Pipe joint rotates on disks so mechanical stress not transmitted to thick insulation on pipes. Inner disks ride on fixed outer disks. Disks help to seal pressurized liquid nitrogen flowing through joint.
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Milner, James F.. 1988-01-01. Swivel Joint For Liquid Nitrogen. https://ntrs.nasa.gov/citations/19880000054
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