NASA-LLIS-0036
Lessons Learned - Back Pressure Regulator
active, Most Current
| Organization: | NASA |
| Publication Date: | 18 September 1992 |
| Status: | active |
| Page Count: | 2 |
scope:
Description of Driving Event:
The T-0 vent support assemblies are mounted on the orbiter T-0 Interface to support controlled venting of PRSD tanks after landing. In the event of regulator diaphragm failure, GH2 or GO2 can vent to atmosphere near the orbiter through the back pressure regulators. Leaking GH2 could cause a fire or explosion. Leaking GO2 could contribute to failure of the diaphragm in the back pressure regulator of the FCSS, PRSD T-0 safing system could release GH2 in the vicinity of the orbiter.
Document History
NASA-LLIS-0036
September 18, 1992
Lessons Learned - Back Pressure Regulator
Description of Driving Event:
The T-0 vent support assemblies are mounted on the orbiter T-0 Interface to support controlled venting of PRSD tanks after landing. In the event of regulator diaphragm...
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