The MK 24 full face mask (FFM) is configured to support MK 16 MOD 0 UBA decompression dives and SEAL delivery vehicle (SDV) transits. During certification testing at depths shallower than 15.3 msw (fsw) the FFM produced chatter upon inhalation in the open circuit mode, apparently due to newly-designed second stage regulator poppet valves and demand levers.
Eliminating Chatter in the MK 24 Full Face Mask By Adjusting Demand Lever Free Play and Inhalation Cracking Pressure
1995
35 pages
Report
No indication
English
Life Support Systems , Anatomy , Physiology , Breathing apparatus , Inhalation , Test and evaluation , Delivery , Cracks , Depth , Pressure , Vehicles , Circuits , Seals(Stoppers) , Diving , Decompression , Oxygen consumption , Underwater breathing apparatus , Uba(Underwater breathing appatatus) , Mk24 mask , Mk16underseea breathing apparatus , Ffm(Full face mask)