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OverviewThis specification establishes the requirements for design, performance, safety, testing, and manufacture of the RV-346 and RV-348, Positive Pressure Relief Valve (PPRV) as part of the Advanced Extravehicular Mobility Unit (EMU)(AEMU) Portable Life Support System (PLSS). The RV-346 serves as the Positive Pressure Relief Valve (PPRV), and the RV-348 serves as the Secondary Positive Pressure Relief Valve (SPPRV). Ralston, Russell L. Johnson Space Center CTSD-CX-0070-Rev-C, JSC-E-DAA-TN47598 Full Product DetailsAuthor: National Aeronautics and Space Adm NasaPublisher: Independently Published Imprint: Independently Published Dimensions: Width: 21.60cm , Height: 0.20cm , Length: 27.90cm Weight: 0.109kg ISBN: 9781794547766ISBN 10: 1794547762 Pages: 36 Publication Date: 23 January 2019 Audience: General/trade , General Format: Paperback Publisher's Status: Active Availability: Available To Order ![]() We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |