Procurement of Safe Viewports for Hyperbaric Chambers

[+] Author and Article Information
J. D. Stachiw

Naval Undersea Research and Development Center, San Diego, Calif.

K. O. Gray

Naval Civil Engineering Laboratory, Port Hueneme, Calif.

J. Eng. Ind 93(4), 943-952 (Nov 01, 1971) (10 pages) doi:10.1115/1.3428088 History: Received January 11, 1971; Online July 15, 2010


Lack of ASME Pressure Vessel Code Standards for the selection of material, designs, fabrication techniques, and prooftesting methods for viewports in hyperbaric chambers makes it mandatory that engineering judgment be exercised to the fullest in the procurement of such viewports. Based on the experience gained by the authors in past experimental programs dealing with design criteria, and procurement of acrylic viewports for major Navy hyperbaric chamber installations, practical guidelines are proposed for specifying such viewports. The guidelines contained in this paper address themselves to selection of viewport shape, safety factor, material, fabrication, quality control, proof-testing, and periodic inspection.

Copyright © 1971 by ASME
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