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Page Title:
Table I - Reliability p erformance requirements |
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|  MIL-S-51368B(EA)
TABLE I - Reliability p erformance requirements
Operating parmeters
Requirement
Shelter
Temperature*
1.
60F to 90F
2.
Airflow to shelter
Minimum mean: 900 cfm
850 cfm-I
Minimum reading:
Static pressure
Vent mode set point:
3.
1(+0.1 or -0.2) iwg
Minimum value all modes:
mask alarm sound
Maximum value all modes:
2.0 iwg
Airlock
Airflow thru filter
Minimum mean: 375 cfm
1.
Minimum reading: 300 cfm
2.
Static pressure
Vent mode set point: 0.5
(+0.1 or-O.2) iwg
Minimum value all modes:
0,3 iwg
Filter and utilities unit
1.
Make-up airflow rate
Minimum mean: 140 scfm
Minimum reading: 135 scfm
45 iwg maximum
2.
Inflation air pressure
30 iwg minimum
* Automatically controlled after manual mode selection.
MTBF Criteria:
(a) Overall system reliability - The overall system reliability for
uated in accordance with test plan VII of MIL-STD-781.
5
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