Barrier seal slows loss of pressurized hydraulic fluid due to leakage in primary seal. Barrier seal, placed downstream of primary O-ring seal, serves as secondary obstacle to leakage.
Barrier Self for Hydraulic Actuators
NASA Tech Briefs ; 8 , 2
1984-11-01
Miscellaneous
No indication
English
Emerald Group Publishing | 2001
NTRS | 1981
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